rostrulate 
rostrulate (ros'trij-lat), a. [< rostriil(uni) + 
-ate 1 .] In entom. : (a) Having the form of a 
rostrulum, as the oral organs of a flea. (6) 
Provided with a rostrulum, as the Pulicidse. 
rostrulum (ros'trp-lum), n. ; pi. rostrula (-la). 
[NL., dim. of L. rostrum, a beak, snout : see 
rostrum.] The peculiar rostrum, beak, or 
mouth-parts of fleas. 
rostrum (ros'trum), M. ; pi. rostrums, rostra 
(-trumz, -tra). [< L. rostrum, the beak or bill 
of a bird, the snout or muzzle of a beast, a 
curved point, as of a bill-hook, hammer, plow, 
etc., the curved end of a ship's prow, the beak 
of a ship; orig. "rodtrum, with formative -trum 
(-fro-) (= E. -ther, -der, in rather 1 , rudder 1 ), < 
corferc, gnaw, peck: see rodent.] 1. Thebeakor 
bill of a bird. 2. The snout, muzzle, or some- 
times the face of an animal, especially when 
protrusive. 3. In anat. and zoo'l., any beaked 
or rostrate part, or part likened to a beak. 
Hence (a) In anat.: (1) The forward median projection 
from the body of the sphenoid bone, received between 
the lips of the vomer, and effecting articulation with that 
bone ; the beak of the sphenoid. See cuts under para- 
sphenoid and Acipenser. (2) The reflected anterior part of 
the corpus callosum of a mammalian brain below the genu. 
(b) In ornith.: (1) The beak of the skull ; the narrow spike- ngOj etc _ g ee tne nouns = gyn. 1 'See 
mtddOne oTthe'ba'se of the BkuTlTlon^which"^^? thl TOSy-bOSOmed (r6'zi-Duz // umd), a. Having the 
movable palatal parts, and upon which the vorner is sup- bosom rosy m color or filled with roses, 
ported in some cases : its lower border, especially if thick- 
ened, is commonly formed by a paraspheuoid. (2) The 
beak of the sternum; the manubrium. Coues, 1884. (e)In 
Crustacea, the anterior termination of the carapace, espe- 
cially when prominent or protrusive. For example, see /j, 
cut of Libinia, under Oxyrhyncha; see also cuts under , . . 
Amphithoe, cephalothorax, Copepoda, and stalk-eyed, (d) TOSy-COlOied (ro zi-kurord), a. Having a rosv 
In entom.: (l)^The teak ^pr suctorial organ formed by the color. 
Rosy-coloured Helen is the pride 
Of Lacedemon, and of Greece beside. 
tus's Idylls, xviil. 
Crowned with 
5235 
x _ Y . L , ,.,, ... v ,.,,,, . rosulate (roz'u-lat), . [< rosula + -ate 1 .] In 
In entom. : (a) Having the form of a lot., having the leaves arranged in little ro- 
settes or rose-like clusters. 
rosy (ro'zi), a. [< ME. "rosy, < AS. rosig, rosy, 
< rose, rose: see rose 1 .] 1. Resembling a rose 
in color or qualities ; red; blushing; blooming. 
That sweet rosy lad 
Who died, and was Fidele. 
Shak., Cymbeline, v. 6. 121. 
Celestial rosy red, love's proper hue. 
Milton, P. L, TilL 619. 
And every rosy tint that lay 
On the smooth sea hath died away. 
Moore, Lalla Rookh, The Fire- Worshippers. 
2. Consisting of roses ; made of roses. 
I sent thee late a rosy wreath. 
B. Jonson, To Celia. 
And we shall meet once more in happier days, 
When death lurks not amidst of rosy ways. 
William Morris, Earthly Paradise, III. 239. 
Made in the form of a rose. 
3t. 
His rosy ties and garters so o'erblown. 
B. Jonson, Epigrams, xcvii. 
Rosy cross [also rosie cross, an accommodated form of 
rose cross, F. rose croix, NL. rosicrux, etc. : see Rosicrucian]. 
Same as rose-cross, 2. Rosy finch, gull, minor, rock- 
Lo ! where the rosy-bosom'd hours, 
Fair Venus' train, appear, 
Disclose the long-expecting flowers, 
And wake the purple year 1 
Gray, Ode on the Spring. 
In entom. : (1) The beak or suctorial organ formed by the 
appendages of the mouth in certain insects, as Hemiptera. 
,m fully c , alled . roslrat sheath (wh^h see, under rostral). 
Pel0ngted 
,m 
S eaoncprouseete A 
mouth are situated at the end of the rostrum, and the an- rosy-Crowned (ro zi-kround), a 
tenna? generally lie in grooves at the sides. See Rhyncho- roses. Gray. 
Aene rosacea; 
with the proboscis or sucking-mouth, which in these flies blossoms ! brandy-face, 
is a prolongation from the front of the rostrum, though rosy-fingered (ro zi-nng'gerd), a. Having rosy 
rostrum is incorrectly applied by some authors to the pro- fingers : Homer's favorite epithet of the dawn. 
boscis of any fly. (e) I Cirripedia, as an acorn-shell, the poooSaKTvlor, 'Huf . 
shell, into which the C mva a We n valves may be detracted, rosy-footman (r6'zi-fut''man), . The red- 
situated on the same side of the animal as the opening arches, a British moth, Calligenia miniata. 
between the valves between the two rostrolateral com- rOSy-kindled (ro'zi-kin"'dld), a. Suffused with 
partments. See cut under Balanus. (/) In conch. : (1) a fnsv pnlnr- blushing 
The anterior extension of the head or snout when simply Dln S- 
contractile (not retractile) and transversely annulated Her bright hair blown about the serious face, 
opposed to proboscis. (2) The beak or beak-like extension Yet rosy-kindled with her brother's kiss, 
of the shell, in^which the canal is situated. See cuts un- Tennyson, Lancelot and Elaine. 
Marbled with 
( moth. 
.. ............ ,,.,,, ,..,i,\M ,.. ubbuiGj me ^u.u ii. 1I1U1UB1M& H1C 1, VOJ *MU Al Oil V 1 *-* &l~mOiL~DllJj Hi A. Brit'lSll HOC" 
straight phragniacone of these Mesozoic cephalopoda. It tuid moth Noctua subrosea 
is continued forward into the proostracum. the rostrum r r\air iiio+iA /-n'i ,', , ;i' , ,' A T>_-f,.i. . -j 
and proostracum together representing the pen of the 'OSy-rUStlC (ro Zl-rus tlk), n. A British noctuid 
Teuthidse. See cut under belemnite. motb^Hydreecia micacea. 
4. The beak of a ship : an ancient form of ram, rosy-tinted (ro'zi-tin"ted), a. Having rose- 
consisting of a beam to which were attached tints. 
heavy pointed irons, fixed to the bows, some- A11 ab nt tne thorn will blow 
times just above and sometimes below the In tutt* ot rosy-tinted snow 
water-line, and used for the purpose of sinking , , -, . . . . Te " n ^ m ' Two Volce8 ' 
other vessels. See cut under rostral rosy-wave (ro zi-wav), n. A British geometnd 
moth, Addalia emutaria. 
they have to show of this nature is an old rostrum of a 
Roman ship that stands over the door of their arsenal. 
Addison, Remarks on Italy (Works, ed. Bohn, I. 363). 
, _., pret. and pp. rotted, ppr. rotting. 
,_ . ME. roteit, rotten (pret. rotede, pp. rated), 
< AS. rotian (pret. rotede, rotode, pp. rotod) = 
OS. roton = D. rotten = MLG. roten, raten, rotten. 
son, emars on ay ors, e. on, I. 363). . roton = . rotten = MLG. roten, raten, rotten, 
5. pi. A platform or elevated place in the Roman LG - rotten ( > G. rotten, verrotten), rot, = OHG. 
forum, whence orations, pleadings, funeral ha- rdzen, rozen, MHO. rozen, roezen, rostzen, be- 
l-.i ,i , n i / .*. nit* i.-.,.... .1 ..1 :........ I . . __ 11- 11 __ . nlvmn t\*t vnnlrn *.A4-4.n /^l .-.".*,.. ....!..-..[ ----- 
torum, whence orations, pleadings, funeral ha- rozen < rozen, mHtr. rozen, roezen, rcetzen, be- 
rangues, etc. , were delivered : so called because come or make rotten , G. rosten, rot or ret (hemp, 
it was adorned with the rostra or beaks of the flax > etc -); cf. D. rot = MHG. roz, rotten; Icel. 
ships taken in the first naval victory gained rotna = Sw. ruttna = Dan. raadne, become rot- 
by the republic. Hence 6. A pulpit or any ten: see rotten 1 . Cf. ret.] I.intrans.l.Torm- 
platform or elevated spot from which a speaker " er g natural decomposition ; fall into a course 
addresses his audience. See cut under pulpit. or a state of elemental dissolution; suffer loss 
of coherence from decay: used of organic sub- 
stances which either do or do not putrefy in the 
; under pulpl 
The things that mount the rostrum with a skip, 
And then skip down again ; pronounce a text. 
Cowper, Task, ii. 409. 
7. In bot., an elongated receptacle with the 
styles adhering: also applied generally to any 
rigid process of remarkable length, or to any 
additional process at the end of any of the 
parts of a plant. 8. A trestle used in support- 
ing platforms in a theater. 9. In an ancient 
lamp, the beak or projection in which the wick 
lies. 10. In distilling, that part of the still 
which connects the head with the worm and 
forms 
worm 
gives it somewhat the appearance of a beak. . 
rosula (roz'u-la), n. [NL., dim. of L. rosa, a 
rose: see rose 1 .] 1. A small rose; a rosette. 
2. [cup.] A genus of echinoderms. 
rosular (roz'u-liir), a. [< rosiiln + -nj-2.] 
bot.. same as ntulate. 
process, and sometimes, by extension, of inor- 
ganic substances. 
I root, he seyde, fro the boon ; 
Jhesu Oryste, what schall y done? 
MS. Cantab. Ff. ii. 38, 1. 114. (HalliiceU.) 
For Cedre may not, in Erthe ne in Watre, rote. 
Mandemlle, Travels, p. 10. 
Ay, but to die ; . . , 
To lie in cold obstruction, and to rot. 
Shak., M. for M., ill. 1. 119. 
2. To become morally corrupt; deteriorate 
suffer loss 
L connects the head with the worm and * io "' lorany e >rrupt; 
a passage for vapor from the head to the through stagnation or indulgence ; 
; the beak. It has a very marked taper from of sta mina or principle. 
id to the worm, and a downward inclination which Wither, poor girl, in your garret ; rot, poo 
; somewhat the appearance of a beak. See iKlln. vour Club. Thartmtu Rnnt nt 
In 
-. ., ,....,, QUI, .11 j"-ii _..nn , T0t t pOOr !)!H,'llt'lor 111 
your Club. Thackeray, Book of Snobs, xxxiii. 
3. To become morally offensive or putrid; be 
nauseous or repulsive ; excite contempt or dis- 
gust. [Rare.] 
The memory of the just is Messed : but the name of the 
wicked shall rot. Prov. x. 7. 
rota 
Cutthroats by the score abroad, come home and rot in 
fripperies. Ford, Lady's Trial, iii. 1. 
4. To become affected with the disease called 
rot. 
The hungry sheep look up, and are not fed ; 
But, swoln with wind, and the rank mist they draw, 
Bot inwardly, and foul contagion spread. 
Maton, Lycidas, 1. 127. 
= 8yn, 1. Rot, Decay, Putrefy, Corrupt, Decompose. Rot 
is, by its age and brevity, so energetic a word that it is 
often considered inelegant, and decay is used as a softer 
word. That which rots or decays may or may not emit a 
foul odor, as an egg or an apple; putrefy by derivation 
implies such foulness of odor, and hence is especially ap- 
plied to animal matter when it is desired to emphasize 
that characteristic result of its rotting. Corrupt is some- 
times used as a strong but not offensive word for thorough 
spoiling, that makes a thing repulsive or loathsome. To 
decompose is to return to the original elements ; the word 
is sometimes used as a euphemism for rot or putrefy. The 
moral uses of the first four words correspond to the 
physical. 
II. trans. 1. To cause decomposition in ; sub- 
ject to a process of rotting; make rotten: as, 
dampness rots many things ; to rot flax. See 
ret 1 . Sometimes used imperatively in impre- 
cation. Compare rat&, drill 2 . 
Wei bet is roten appul out of hoord, 
Than that it rotie al the remenaunt. 
Chaucer, Cook's Tale, 1. 43. 
I would my tongue could rot them [your hands] off ! 
Shak., T. of A., iv. 3. 370. 
" What are they fear d on ? fools ! 'od rot 'em ! " 
Were the last words of Higginbottom. 
H. Smith, Rejected Addresses, ix. 
2. To produce a rotting or putrefactive disease 
in ; specifically, to give the rot to, as sheep or 
other animals. See rot, n., 2. 
The other [sheep] rotted with delicious feed. 
Shak., Tit And., iv. 4. 93. 
rot (rot), n. [Early mod. E. also rott; < ME. 
rot, rott, rote, rotte = MD. rot, rottenness: see 
rot, v.] 1. The process of rotting, or the state 
of being rotten ; also, rotted substance ; mat- 
ter weakened or disintegrated by rotting. 
I will not kiss thee ; then the rot returns 
To thine own lips again. Shak,, T. of A., iv. 3. 63. 
2. A condition of rottenness to which certain 
animals and plants are liable, as the sheep and 
the potato (see potato), attended by more or less 
putrescence, (a) The rot in sheep, which sometimes 
affects other animals also, is a fatal distemper caused by 
the presence of a great number of entozoa. called liver- 
flukes (Distoma Iicpaticwm), in the liver, developed from 
germs swallowed with the food. The disease is promoted 
also by a humid state of atmosphere, soil, and herbage 
It has different degrees of rapidity, but is generally fatal. 
(6) In botany rot is a general term somewhat loosely ap- 
plied to cases of the breaking down of the tissues of plants 
by the destructive agencies of fungi, especially sapro- 
phytic fungi and bacteria, but also parasitic fungi. The 
attacks of parasitic forms, the punctures of insects, and me- 
chanical injuries to plants are frequently followed by decay 
or rot, since these accidents permit the introduction of 
bacteria, which are very active agents. The rot may be 
either "dry "(see dry-rot) or "wet" that is, it mayor 
may not be accompanied by moisture : both kinds may be 
seen in the potato-rot, which is caused by the fungus 
Phytophthora infestans. The so-called black rot of the 
grape is caused by Phoma uvicola, the while rot by Conio- 
thyrium diplodiellia, the brown rot by Peronospora mti- 
cola, and the bitter rot by Greeneria fuiiginea. '1 he brown 
rot of the cherry is caused by Montliafnictigena. See po- 
tato-rot, Phytophthora, grape-rot, Phoma, Peronospora. 
They have a Rott some Years like Sheep. 
Congreve, Husband his own Cuckold, Prol. 
3. Disgusting stuff; nauseating nonsense; un- 
endurable trash; rant; twaddle; bosh. [Slang.] 
Immediately upon the conclusion of the second act Sir 
Christopher charged out, muttering something, as he 
passed, about . . . having had enough of this rot 
W. E. N orris, -Miss Shafto, vi. 
The accomplished stenographer . . . restored the awful 
volume of unmitigated rot. N. A. Rev., CXLII. 477. 
Grinders' rot. See grinder. Saltpeter rot. See salt- 
peter. White rot, hydrocotyle, a small herb belonging 
to the natural order Umbellifenc ; pennywort* sheep-rot 
rota 1 (ro'ta), n. [= OF. roe, roue (> ME. roo), 
F. roue, dial, roue = Pr. roda = Sp. riteda = Pg. 
roda = It. rota, ruota, a wheel, < L. rota, a wheel 
of a vehicle, a potters' wheel, a wheel for tor- 
ture, poet, a car, chariot, the disk of the sun, 
etc., ML. a circle, circular garment, a round 
cake, etc., = Ir. Gael, roth = W. rhod, a wheel. 
= D. rad = MLG. rat, LG. rad = OHG. rad, 
MHG. rat (rad-), G. rad, a wheel, = Lith. rdtas, 
a wheel, pi. ratai, a cart, wheeled vehicle, = 
Skt. ratha, wagon, war-chariot, prob. < / ar, 
go. From L. rota are ult. E. rotate, rotary, ro- 
tatory, rotund, round, roundel, rondel, rondeau, 
rundlet, rout, roll, rowel, roulade-, rouleau, rou- 
lette, control, etc.] 1. A wheel. 2. A course, 
turn, or routine. 
Fifty years' service of our country had familiarized the 
whole rota of duty in every office and department 
K. fHyles, Sermon, 1788. 
