pachydermatous 
A man cannot have a sensuous nature anil l>c pachyder- 
ntr<'".> at Hi- -.inn- time. 
l.oin-n, Among my I '- - >K -. 2d Her. , p. 312. 
pachydermia (pak-i-der'nii-R), H. [NL., < 
(ir. -,friii//i(i, thickness of skin, < ira;rv<hfyiOf, 
tliick-skiiiiiril : see /i<i<lti/<lrnn.\ A 1-linmic dis- 
I'usc niiii-ki'd by repeated attacks of dermatitis 
nl' erysipelutous form, with more or less phle- 
bitis, lymphangitis, and lymphadenitis, accom- 
panied and followed by hypertrophy and intil- 
tratioii of tlic skin and subjacent tissues. The 
li-u f s scrotum, and labia are moat frequently affected, and 
they may reuch an enormous size, being hard and cither 
siniiutli or warty. A discharge of lymph Is frequent. 
The ft/arm Aaiujtlinitt-hoitnniH MVINS to he the cause of at 
IcaHt ttome of the forma. Alao riillr.l . l> i>ttiiHtiagi* Ara- 
bian, Inicixmia, Barbados ley, tpanjorii, and 
pachydermoid (pak-i-der'moid), a. [< pacliy- 
itt-riH + -<iid.} Kesembling or related to a 
pachyderm, or to the Pachydcrmata ; pachyder- 
matous. 
Now as I write, abort of all meat, without an ounce of 
walrus for sick or sound, my thoughts recall the frost- 
tempcrcd junks of this pachydermoid amphibian aa the 
highest of longed-for luxuries. 
Kane, Sec. Grinn. Exp., II. 16. 
[< pachy- 
. 2. In 
pachydermous (pak-i-der'mus), a. 
(ttrt + -oux.} 1. Same as pachyderm 
bot., thick-coated: applied sometimes to a thick- 
walled capsule of mosses. 
Pachydomidae (pak-i-dom'i-de), n. pi. [NL., 
< Pacliydomiis + -idee.} An extinct family of 
bivalves, typified by the genus Pachydtnnus. 
The shell was massive and oval or roundish, the liga- 
ment external, the hinge surmounted by a very long den- 
tiform ridge, and the pallial impression entire. They 
lived in the Devonian and Carboniferous periods, and 
have been found only in Australian rocks. 
Pachydomus (pa-kid'o-mus), n. [NL., < Gr. 
iro^i'f, thick, + 66fwf, house.] A genus of ex- 
tinct bivalves, typical of the family Pachydomi- 
dee. They had thick shells, and resembled the 
Veneridee in form. 
pachyemia, pachyaemia (pak-i-e'mi-a), n. 
[NL.. < Gr. vaxkaifioq, having thick blood, < ira- 
XW, thick, + dipa, blood.] A thickening of the 
blood. 
Pachyglossae (pak-i-glos'e), n. pi. [NL. (J. 
Wagler, 1830), < Gr. varfc, thick, + yKJaoa, 
tongue.] A group of lizards with short or thick 
fleshy tongues. It was formerly a comprehensive di- 
vision, including the geckos, iguanas, and agamaa, being 
then synonymous with Bremlinguia ; or restricted to the 
iguanas and agamas, then synonymous with StrobQosau- 
riu ; or confined to the agamoid acrodont lizards alone, then 
synonymous with the family Againidx in a broad sense. 
Also Pachyglosna, and Pac/tyyloitata. 
pachyglossal (pak-i-glos'al), a. [As Pachy- 
gloss-se + -al.} Pachyglossate. 
pachyglossate (pak-i-glos'at), a. [< Gr. naxi-c, 
thick, + jXuffCTa, tongue, + -ate 1 .] Having a 
thick tongue ; specifically, of or pertaining to 
the Pachyglossee. 
Pachygnatha (pa-kig'ua-tha), n. [NL. (Sun- 
devall, 1823), fern, of pachygnathus : see pa- 
chygnatlious.} A genus of spiders, typical of the 
family Pacltygnathidee, formerly united with the 
Theridiidx, now placed in Tetragnathidte. They 
have a short rounded abdomen, short legs, and very thick, 
strong, and widely divergent mandibles, whence the name. 
E. clercki is an example. Also Pachyffnathua. 
Pachygnathidas (pak-ig-nath'i-de), n.pl. [NL. 
(Menge, 1866),< Pachygnatha + -id.} A fam- 
ily of spiders, now generally united with the 
Tetragnathidx. The distinguishing feature is the re- 
ceptaculum seminis, which consists of three pouches open- 
ing from a semicircular sac. They make no web, although 
placed from structural characters among the orb-weavers. 
pachygnathous (pa-kig'na-thus), a. [< NL. 
pachygiuithus, < Gr. myfwf, thick, + yvAdoe, jaw.] 
Having thick or heavy jaws ; specifically, hav- 
ing the characters of the genus Pachygnatha. 
Pachylis (pak'i-lis), n. [NL., appar. < Gr. 
*iraxvUs (in adv. iraxvfajf), dim. of iraxi'C, thick.] 
A genus of coreoid heteropterous insects found- 
ed by St. Fargeau and Serville in 1825. p. gigat 
is a species of great size and striking colors, which lives 
on cactus-plants in the southwestern United States and 
Mexico. It is If -inches long, velvety-blackish, veined 
witli yellow, the legs and antennee banded with orange. 
The nymph Is steel-blue, spotted and banded with red 
and orange. See cut under Mictidx. 
pachymenia (pak-i-me'ni-a), n. [NL., < Gr. 
To^i'-f, thick, + I'ffffv, a membrane.] A thicken- 
ing of the skin. 
pachymenlc (pak-i-me'nik), a. [(pachymenia 
+ -/<.] Thick-skinned. 
pachymeningitic (pak-i-men-in-jit'ik), a. [< 
paehymeniiiyitis + -if.} Pertaining to, charac- 
terized by, or affected with pachymeningitis. 
pachymeningitis(pak-i-men-in-ji'tis), . [NL., 
< ij<ii'lii/iii<iii>i.r(-mtiiiii</-) + -itis.} In jxitHol., 
inflammation of the dura mater. 
4223 
The post-mortem showed an extensive fiactiyincnintjitu 
nl thi' right half of the dura mater. 
Mtss4.VMi.XUX, i 
Pachymeningitis externa, paehy meningitis Involving 
tti. Miit.-r hiyrr* of tin- ilura, usually traumatic. Pachy- 
menlngltls interna, inflammation of the Inner layers of 
the dura Pachymeningitls Interna hemorrhaglca, 
fnternul pachyinenliiKitiA with the fonnation on the inner 
surface of the dura of layers of delicate connective tis- 
sue containing thin-walled and easily rupturing blood- 
vessels. Hence may be found extensive hemorrhages 
between the layer* of the newly formed membrane or 
between this and the pla. Also called pachumeningitu 
chrmuca hemarrhagica. 
pachymeninx (pak-i-me'ningks), n. [NL., < 
Gr. iraxi'f , thick, + ft^vty^, membrane : see me- 
ninx.} The dura mater. 
pachymeter (pa-kim'e-ter), n. [NL., < Gr. 
vaxi't, thick, -t- fitrpov, measure.] An instru- 
ment for measuring small thicknesses. One 
form determines the thickness of paper; an- 
other is adapted for measuring the thickness 
of glass. Also pachometer. 
pachyodqnt (pak'i-6-dont), a. [< Gr. jrotft'r, 
thick, + odW'f (o<Jovr-) = E. tooth.} Having thick 
or massive teeth, as a mammal or a mollusk. 
pachyopterous (pak-i-op'te-rus), a. Same as 
/iin-li i/jiti -rous. IIHJI. Diet. 
pachyote (pak'i-6t), a. and n. [< Gr. iraxi'f, 
thick, + ouf (UT-), ear.] I. a. Having thick 
leathery ears, as a bat. 
H. n. A thick-eared bat, as of the genus 
Pachyotug. 
pachypod (pak'i-pod), a. [< Gr. iraxfaove, thick- 
footed, < Traji'f, thick, + iroi/f (mx)-) = E. foot.} 
Having thick, massive, or heavy feet. 
Pachypoda (pa-kip' o-da), n. pi. [NL. : see 
pachypod.} In zool., one of several different 
groups of animals characterized by thick, mas- 
sive, or heavy feet. Specifically (a) In conch., a di- 
vision of mollnsks. J. E. Gray, 1821. (6) In cntom., a 
division of beetles. Krichtm, 1840. (c) In herpet., a divi- 
sion of dinosaurs. Also Pachypodet. Meyer, 1845. 
paciflcate 
A genus of locusts or short-horned grasshop- 
pers of the family Arriiiiiihr, having the pro- 
uotal i-arina -trun^ly incised and tin- prono- 
niin itM-lf Iriincate. it Is a widespread genus of 
few peclvs, amoiiK them one of the most famous of In- 
sects, P. miamloriut, the migratory locust ..f II,- "l-l 
**< 
Migratory Locutt If'acMjtrjt/m mffratermti, natural fixe. 
World, which has ravaged western Asia, northern Africa, 
and eastern Europe since the beginning of history. In 
Its roving habits and devastations It resembles the migra- 
tory locust or "hateful" grasshopper of western Nuith 
America, CalupUnu* or Maaiwplui iprttut, but It Is much 
pachypterous (pa-kip'te-rus), a. [< Gr, 
thick, + irreptiv, wing, = E. feather.} Having 
thick wings or fins, as an insect, a bat, or a fish. 
Also pachyopterous. 
Pachypus (pak'i-pus), n. [NL., < Gr. iraxv- 
TToii?, thick-footed: see pachypod.} In zool., a 
generic name variously applied, (a) A genus of 
coleopterous insects. Billberg, 1820 ; Dejean, 1821. () A 
Senna of mammals. D'Alt, 1839. (c) A genus of arachni- 
aiis. Rev. O. P. Cambridge, 1873. 
Pachyrhamphus (pak-i-ram'fus), n. [NL., 
prop. "Pachyrrhamphus, < Gr. iraxvf, thick, + 
f>a/upof, a beak, bill, neb.] 1 . A genus of South 
American birds of the family Cotingida?, estab- 
lished by G. R. Gray in 1838, in the tomiPacliy- 
ramphus, upon such species as P. surinamus, 
P. cinereus, and P. viridis, and extended by oth- 
ers to such as the rose-throated flycatcher, P. 
Hi/In in-. The form Pachyrhamphus is of Kaup, 
1851. 2. A genus of reptiles. Fitzinger, 1843. 
Pachyrhizus (pak-i-ri'zus), n. [NL. (A. Rich- 
ard, 1825), prop. * Pachyrrhiziis, < Gi.iraxi'pp'of, 
with thick roots,< iraxi'f, thick, + ^/fa,root.] A 
genus of leguminous plants of the tribe Phasc- 
oleie and the subtribe Euphaseolex, character- 
ized by the round stigma upon the flattened apex 
of the thick style. The two species are high-climbing 
herbs, with leaves of three leaflets, and flowers clustered 
on long axillary peduncles. One is a Mexican plant; the 
other, P. angulatut, is widely diffused through the tropics, 
either native or cultivated for its edible starchy tubers, 
which become eight feet long and many inches thick. Its 
stems yield a tough fiber. See yam-bean, under beani. 
pachyrhynchous (pak-i-ring'kus), a. [Prop. 
"pachyrrhynchous, \ Gr. vaxvf>pvyxf> having a 
thick bill or snout, < ira;ri'? , thick, + />iyxt, bill, 
beak.] Having a thick bill, beak, or rostrum. 
Pachysandra (pak-i-san'drft), n. [NL. fMi- jJ^J) 
chaux, 1803), < Gr. irax"f, thick, + av//p (avap-), pacific 
male (in mod. bot. a stamen).] A genus of 
prostrate plants of the apetalous order Euphor- 
lii,in,r and the tribe Buxeie, known by its four 
stamens, and alternate usually coarse-toothed 
leaves. There are 2 species, one North American, the 
other of Japan. They bear ascending branches leafy only 
at the apex, and rather long spikes of very numerous 
small flowers, which in the American species, P. pro- 
cumbens, are sweet and very attractive to insects. For 
want of a better name, that of the genus Is sometimes 
translated thick-atainen. The plant has also been called 
Atteghany-mountain spurge. 
piichystichoust (pa-kis'ti-kus), a. [< Gr. ira^t'c, 
thick, + arixoc.j a row, line.] Thick-sided ; in 
bot., having thick sides: said of cells. 
Pachythenum (pak-i-the'ri-um), n. [NL., < 
Gr. ira^i'f, thick, + Or/pirn, a wild beast.] A 
genus of gigantic edentate mammals of Post- 
Pliocene age, from the bone-caves of South 
America. 
Pachytylus (pa-kit'i-lus), n. [NL. (Fieber, 
1852), < Gr. Kaxtf, thick, + rMoc, knob, knot.] 
. 
paciencet, pacientt. Obsolete forms of pa- 
ticnt't'j /tutu ttl. 
pacifiable (pas'i-fi-a-bl), a. [< OF. vaciflable, 
< pacifier, pacify: seopacify.} Capable of being 
pacified. 
The conscience . . . Is not paciJIabU whiles sin Is with- 
in to vex It ; the hand will not cease throbbing so long as 
the thorn Is within the flesh. 
Kit. T. Adamt, Works, I. 251. 
pacific (pa-sif'ik), a. [< F.pacifique = Sp.;xi- 
cifico = Pg. It. fiacifico, < L. pacificus, peace- 
making, peaceful, < pax (pac~), peace (see 
peace), + facers, make. Cf. pacify.} 1. Serv- 
ing to make or restore peace ; adapted to recon- 
cile differences; peace-making; conciliatory; 
mild; appeasing: as, to offer pacific proposi- 
tions to a belligerent power. 
Returning, in his bill 
An olive-leaf he brings, pacific sign. 
Milton, f. L, xL 860. 
2. Peaceful; not warlike : as, a man of pacific 
disposition. 
My own aldermen conferr'd the bays, 
To me committing their eternal praise, 
Their full-fed heroes, their pacifc mayors. 
Pope, Dnnclad, 111. 281. 
3. Characterized by peace or calm ; calm; tran- 
quil: as, & pacific state of things. 
The conversation became of that pacific kind which im- 
plies curiosity on one side and the power of satisfying It 
on the other. Oeorge Kliot, Mill on the Floss, 1. 11. 
4. \_cap.} Appellative of the ocean lying be- 
tween the west coast of America and the east 
coast of Asia: so called on account of the ex- 
emption from violent tempests which early 
navigators supposed it to enjoy ; hence, relat- 
ing to or connected with that ocean. 
Or like stout Cortex, when with eagle eyes 
He stared at the Pacific and all his men 
Look'd at each other with a wild surmise 
Silent, upon a peak in Darien. 
KeaU, On First Looking into Chapman's Homer. 
Pacific iron, an iron band round a lower yard-arm Into 
which the boom-Iron screws. = Syn. 1-3. Pacific, Peace- 
able. Peaceful, gentle, quiet, smooth, unruffled. Pacific, 
making or desiring to make peace ; peaceable, desiring to 
be at peace, free from the disposition to quarrel ; peaceful, 
in a state of peace. 
pacifies (pa-sif'i-se), n.pl. [NL., fern. pi. of L. 
pacificvg, peace-making, peaceful: seepaoi/Jc.] 
1. Same as pacifical letters. See pacifical. 2. 
A missal or eucharistic litany near the begin- 
ning of Western liturgies, corresponding to the 
in Him of Eastern offices. It fell Into disuse about 
the ninth century, but the Kyrie still remains as a trace 
of It In the Ambrosian liturgy, however, it continues to 
be used on Sundays in Lent, ana on Holy Saturday a litany 
Is still said at the beginning of the Roman mass. See 
. 
calt (pa-sif i-kal), a. [< ML. pacifcalis, 
peace-making, < 1t.pacifictts, peace-making : see 
pacific.} Pacific. Sir H. Wotton, Reliquite, p. 
497. [Rare. ] Pacifical letters, in the early church, 
oriKinally, letters recommending one in peace and com- 
munion with the church to the church in other countries ; 
later, more especially, such letters recommending the 
bearer to the alms of the faithful. Also letters oj peace, 
paeifica or liter le pacifica (<i|)i-.a< or 'wi<rroA<u .(ina. ). 
No stranger shall be received without letlen pacifical. 
Canon VII. ofAntioch, in Fulton's Index Canonnm, p. 237. 
pacifically (pa-sif'i-kal-i), adv. In a pacific 
manner; peaceably; peacefully. 
pacificate (pa-sif'i-kat), t. t. ; pret. and pp. 
pactficated, ppr. paciftcating. [< L. part/icafu*, 
pp. of pacificare, pacify: seepacify.} Tomake 
peaceable ; free from disturbance or violence ; 
give peace to. 
The citadel of Its whole kingdom it has thus gained 
by assault, and will keep inexpugnable ; outwards from 
which the remaining dominions, not indeed without hard 
battling, will doubtless by degrees be conquered and pa- 
cifteaUa. Carlytr. Sartor Resarttis, p. 117. 
