MQttO 
dew; salts, gen. of sol, the sun); but perhaps 
orig. It., < It. rosso, red, < L. russtts, red : see 
ntsseft.] A red wine of Malta; also, a sweet 
cordial made from raisins, popular throughout 
the Levant. 
Rogue Hyacinth . . . 
Shall have a small full glass 
Of manly red roiolio to himself. 
Browning, Ring and Book, II. 117. 
Eosores (ro-so'rez), n. pi. [NL., pi. of rosor, 
gnawer, < L. rodcre, pp. rosus, gnaw : see rodent."] 
In zool., the gnawing mammals: a synonym of 
Glires and of Rodentia. [Now rare.] 
Rosoria (ro-so'ri-a), n. pi. [NL.: see Rosores.] 
Same as Rosores" Bonaparte, 1837. 
rosorial (ro-so'ri-al), a. [< Rosores + -al.] Be- 
longing to the RdsoreK or Rosoria; rodent. 
ross 1 (ros), n. [< Norw. ros, rus, ros, rys, shell, 
rind, peel, scale (usually of that which falls off 
of itself), = Dan. ros, shavings, chips; prob. 
connected with Norw. ros, f., a fall, landslide, 
etc., < rusa = AS. Tnredsan, etc., fall : see ruse 1 .] 
1. The rough scaly matter on the surface of the 
bark of certain trees. 2. Branches of trees 
lopped off; the refuse of plants. [Scotch.] 
ross 1 (ros), v. t. [< ross 1 , n.] 1. To strip the 
ross from; strip bark from. 2. To cut up 
(bark) for boiling, etc. 
ross 2 (ros), . [< W. rhos, amoor,heath, morass. 
Cf. rosland.] Amorass. Halliwell. [Prov.Eng.] 
rosselt (ros'el), . [Cf. ross%, rosland.'] Light 
land; rosland. 
A true rossel or light land, whether white or black, 
is what they are usually planted in. 
Mortimer, Husbandry. 
Rossella (ro-sel'a), n. [NL.] The typical ge- 
nus of Rossellidfe. Carter. 
Rossellidae (ro-sel'i-de), n.pl. [NL., < Sossella 
+ -idee.] A family of lyssacme silicious sponges 
whose dermal spicules have no centripetal ray, 
typified by the genus Rossella. The other gen- 
era are numerous. 
rqssellyt (ros'el-i), a. [< rossel + -#i.] Loose ; 
light : said of soil. 
In Essex, moory land is thought to be the most proper; 
that which I have observed to be the best soil is a rossely 
top, and a brick earthy bottom. Mortimer, Husbandry. 
rosset (ros'et), H. Same as roussette. 
Ross Herald. One of the six heralds of the 
Scottish Heralds' College. 
Rossia (ros'i-a), n. [NL., named after Sir John 
Ross (1777-1856), an Arctic explorer.] 1. In 
ornith., same as Rhodostethia. Bonaparte, 1838. 
2. In Mollusca, a genus of decapod cepha- 
lopods of the family Sepiolidse. R. Owen, 1838. 
rossignol (ros'i-nyol), n. [< F. rossignol, OF. 
lousseignol, louseignol = Pr. rossignol, rossinhos, 
rossignola = Cat. rossinyol = Sp. ruisettor = Pg. 
rouxinol, roxinol = It. rusignuolo, < L. luseiniola, 
lusciniolus, nightingale, dim. of luscinia, night- 
ingale : see luseinia.'] The nightingale. 
rossing-machine (ros'ing-ma-shen*), . 1. A 
machine for removing the ross or rough ex- 
terior part of bark; a bark-rossing machine. 
2. A rossing attachment to a sawmill for 
removing the bark from the log just before it 
meets the saw. 3. A machine for cutting up 
bark preparatory to boiling or steeping, for 
purposes of tanning, medicine, dyeing, etc. 
JE. H. Knight. 
rosso antico (ros"o an-te'ko). [It. , < rosso, red, 
+ antico, antique, ancient: see russet and an- 
tique.'] See marble, 1. 
rossoli (ros'o-li), n. [It., < L. ros, dew, + so?, 
the sun.] An Italian liquor in the preparation 
of which the sundew (Drosera rotundifolia) is 
used. 
Ross's rosy gull. See gulP, and 
cut under Rhodostethia. 
rost't, *'. and n. An obsolete 
spelling of roast. 
rost 2 t, . A Middle English form 
of roust 2 . 
rostel (ros'tel), n. [= F. ros- 
telle,<. L. rostellum, a little beak 
or snout, dim . of rostrum, a beak : 
see rostrum.'] Same as rostellum. 
rostella, n. Plural of rostellum. 
rostellar (ros' te-lar), a. [< ros- 
tel(l) + -<zr3.] Of or pertaining 
to a rostellum. 
Rostellaria (ros-te-la'ri-a), . 
[NL., < L. rostellum, a little beak 
or snout: see rostel.'] A genus 
of marine univalves belonging 
to the family StronMtlse; the 
spindlestrombs. It is found both 
6234 
recent and fossil. The shell is fusiform or subturriculate, 
with an elevated pointed spire ; the aperture is oval, with 
canal projecting, and terminating in a pointed beak. The 
species are found in the Indian ocean and neighboring 
seas. 
rostellarian (ros-te-la'ri-an), a. and n. I. . 
Resembling a spindlestromb ; pertaining or be- 
longing to the genus Rostellaria. 
II. n. A member of the genus Rostellaria. 
rostellate (ros'te-lat), a. [= F. rostelU, < NL. 
"rostellatus, < L. rostellum, a little beak or snout: 
see rostel.'] Having a rostellum ; diminutively 
rostrate or beaked. 
rostelliform (ros-tel'i-fdrm), a. [< L. rostel- 
lum, a little beak or snout, + forma, form.] 
Having the form of a rostel ; shaped like a ros- 
tellum. 
rostellum (ros-tel'um),n.; pl.rosteMa(-a). [L.: 
see rostel.] 1. In bot.: (a) Any small beak- 
shaped process, as in the stigma of many vio- 
lets ; specifically, a modification of the stigma 
in many orchids, which bears the glands to 
which the pollen-masses are attached. 
The upper stigma is modified into an extraordinary or- 
gan, called the rostellum, which in many Orchids presents 
no resemblance to a true stigma. 
Darwin, Fertil. of Orchids by Insects, p. 4. 
(6) A Linnean term for the caulicle or radicle. 
2. In zool., the fore part of the head of tape- 
worms or other cestoids, bearing spines or hook- 
lets which are said to be rostellar. See cut 
under Cestoidea. 3. [cop.] [NL.] In conch., 
same as Rostellaria. 
roster 1 !, . An obsolete form of roaster. 
roster 2 (ros'ter), n. [Also dial, royster, an in- 
ventory; < D. rooster, a list, table; prob. a par- 
ticular use, in allusion to the crossing lines and 
columns in a table, of rooster, a grate, gridiron, 
= E. roaster (see roaster). The word is com- 
monly supposed to be a corruption of register*.] 
1. In the British and the United States regular 
armies, a list showing the turn or rotation of 
service or duty of those who relieve or succeed 
each other; specifically, a military list or regis- 
ter showing or fixing the rotation in which in- 
dividuals, companies, or regiments are called 
into service. 2. In Massachusetts and Con- 
necticut, a list of the officers of a division, 
brigade, regiment, etc., containing, under sev- 
eral heads, their names, rank, corps, place of 
abode, etc. These are called division rosters, 
brigade rosters, regimental or battalion rosters. 
Bartlett. 3. Hence, any roll, list, or register 
of names. [Colloq.] 
rosterite (ros'ter-It), n. A variety of beryl of 
a pale rose-red color, found in the granite of 
the island of Elba, Italy. 
Rostrate Fruit 
of RhytichA 
spurn macro- 
s taffy a. 
rostlet, n. [Appar. an error for "rostre, < F. ros- 
Pg. It. rostra, < L. rostrum, beak : see 
tre = Sp. 
rostrum.] 
The beak of a ship. 
Vectis rostratus, a barre or leaver with an iron point or 
end; & rattle. Nmncnclator, 1585. (AVirru.; 
rostra, . Latin and New Latin 
plural of rostrum. 
rostral (ros'tral), a. [= F. 
rostral = Sp. Pg. rostral = It. 
rostrale, < LL. rostralis, < L. 
rostrum, a beak, snout: see 
rostrum."] 1. Of, pertaining 
to, Or resembling a rostrum. 
2. In zool. : (a) Of or per- 
taining to a rostrum in any 
sense; rostellar; rostriform. 
(6) Having a rostrum or beak 
of this or that kindj rostrate: 
usually in composition with a 
qualifying epithet : as, lamelli- 
rostral, longirostral, fissirostral, 
conirostral. cultrirostral, curvi- 
rostral, rectirostral, dentiros- 
tral, recurvirostral, pressiros- 
tral, tenuirostral, serratirostral, 
etc. See the compounds. 
Thus for a day or two in the chick 
there are two " basi-temporal " and 
one rostral center. 
Nature, XXXVII. 501. 
Rostral channel or canal, in the 
Hemiptera, a hollow on the lower 
surface of the thorax, in which the 
rostrum is received. Rostral col- 
umn, a column in honor of a naval 
triumph : it was ornamented with the 
rostra or prows of ships (whence the 
name). 
Rostral Column, 
Grand Opera, Paris. 
At each angle of the esplanade rises a rostral column of 
rose-colored granite 100 feet high. 
Harper's Mag., LXXIX. 192. 
Rostral crown. Same as iiaval crmca (which see, under 
crown). 
rostrular 
The monuments of their admirals . . . are adorned with 
rostral cromw and naval ornaments, with beautiful festoons 
of seaweed, shells, and coral. 
Addison, Thoughts in Westminster Abbey. 
Rostral groove or furrow, a groove or furrow on the 
lower surface of the body of a weevil, in which the rostrum 
is received in repose or when the insect feigns death. Its 
extension and form (shallow or deep, open or closed be- 
hind, etc.) are of great use in the classification of these in- 
sects. Rostral aheath, in Hemiptera, a jointed organ 
formed by an extension of the labiuin, and deeply groov ed 
on its upper surface for the reception of the needle-like 
mandibles and maxillae : generally simply called rostrum. 
rostrate (ros'trat), a. [= F. rostre = Sp. Pg. 
rostrado = It. rostrato, < L. rostratus, having a 
beak, hook, or crooked point, < ros- 
trum, a beak: see rostrum.] 1. 
Furnished or adorned with beaks: 
as, rostrated galleys. 2. In bot., 
beaked; having a process resem- 
bling the beak of a bird. 3. In 
conch., havingabeak-like extension 
of the shell, in which the canal is 
situated; canaliculate; rostriferous. 
See cuts under mttrex and Rostel- 
laria. 4. In en torn., provided with 
a rostrum or snout-like prolonga- 
tion of the head, as the weevils; 
rhynchophorous. 
rostrated (ros'tra-ted), a. [< ros- 
trate + -ed?.] Same as rostrate. 
Rostratula (ros-trat'u-lii), . [NL. (Vieillot, 
1816), <L. rostrum, a beak: see rostrum.] The 
proper name of the genus usually called Rhyn- 
chsea (Cuvier, 1817), and the type of the sub- 
family Rostratulinie. 
Rostratulinae (ros-trat-u-li'ne), n. pi. [NL. 
(Coues, 1888), < Rostratula + -inee.] A subfam- 
ily of Scolopacidse, typified by the genus Ros- 
tratula, characterized by the formation of the 
windpipe, which makes one or more subcutane- 
ous convolutions; the painted snipes, usually 
called Rlnjnchxinse (see RJtynelieea). 
Rostrhamus (ros-tra'mus), n. [NL. (Lesson, 
1831), irreg. < L. rostrum, beak, -I- hamus, hook.] 
An American genus of Falconidee, having the 
slender bill extremely hooked, the upper man- 
dible being almost like a reaping-hook; the 
sickle-billed kites. There are 2 or S species, of the 
warmer parts of America, among them the well-known 
everglade kite of Florida, R. tociabait. See cut under 
everglade. 
rostrifacture (ros-tri-fak'tur), . [Formed on 
the model of manufacture; < L. rostrum, beak, + 
factura, a making, < facere, pp. factus, make : 
see rostrum and facture.] That which is con- 
structed or fabricated by means of the bill or 
beak of a bird, as a nest. [Rare.] 
The dexterity and assiduity they [orioles] display in their 
elaborate textile rostri/aetures. 
Cottes, Key to N. A. Birds, p. 408. 
Rostrifera (ros-trif'e-ra), . pi. [NL., neut. 
pi. of rostriferus : see rostriferous,] A sub- 
order or otherwise denominated group of gas- 
tropods having a contractile rostrum or snout, 
and supposed to be phytophagous, it includes 
most of the holostomatous shells and various others. The 
name is contrasted with ProbosciiHfera. 
rostriferous (ros-trif'e-rus), a. [< NL. rostri- 
ferus, <L. rostrum, beak, + ferre = E. tear 1 .] 
Having a beak or rostrum ; belonging to the 
Rostrifera, or having their characters. 
rostriform (ros'tri-fdrm), a. [= F. rostriforme, 
< L. rostrum, a beak, + forma, form.] Formed 
like or as a rostrum ; shaped like a beak. 
rostro-antennary (ros"tro-an-ten'a-ri), a. [< 
L. rostrum, beak, + NL. antenna,' antenna, -f 
-ary. Cf. antennary.] Pertaining to the rostrum 
and antennte of a crustacean. Huxley and Mar- 
tin, Elementary Biology, p. 225. [Rare.] 
rostrobranchial (ros-tro-brang'ki-al), a. [< L. 
rostrum, beak, + brancliise, gills, + -al. Cf. 
branchial.] Pertaining to or representing the 
extent of the rostral and branchial parts of a 
fish. Gill. [Rare.] 
rostroid (ros'troid), a. [< L. rostrum, beak, + 
Gr. eloof, form.] Resembling a rostrum, beak, 
or snout; rostrate; rostriform. [Rare.] 
The head [of Macrotus, a genus of bats] has the same long 
rostroid appearance. H. Allen, Smiths. Misc. Coll., VII. 2. 
rostrolateral (ros-tro-lat'e-ral), a. [< L. ros- 
trum, beak, + lattts (later-"), side: see lateral.] 
1 . Lateral with reference to the rostrum : ap- 
plied to a part of the shell of a cirriped: see 
rostrum, 3 (/). 2. Situated alongside the ros- 
trum, as of the skull of a fish. 
Inf raorbital chain with its anterior bones excluded from 
the orbit and functional as rostrolattral. 
dm, Amer. Nat., 1888, p. 387. 
rostrular (ros'tro-lar), . [< rostntl(ttm) + 
-ar*.] Pertaining to the rostrulum of fleas. 
