Part 696

Py"go*pod (?), n. [Gr. pygh` rump + -pod.]

1. (Zoˆl.) One of the Pygopodes.

2. (Zoˆl.) Any species of serpentiform lizards of the family PygopodidÊ, which have rudimentary hind legs near the anal cleft, but lack fore legs.

||Py*gop"o*des (?), n. pl. [NL.] (Zoˆl.) A division of swimming birds ||which includes the grebes, divers, auks, etc., in which the legs are ||placed far back.

Py*gop"o*dous (?), a. (Zoˆl.) Of or pertaining to the Pygopodes.

Py"go*style (?), n. [Gr. pygh` the rump + &?; a pillar.] (Anat.) The plate of bone which forms the posterior end of the vertebral column in most birds; the plowshare bone; the vomer. It is formed by the union of a number of the last caudal vertebrÊ, and supports the uropigium.

Py"in (?), n. [Gr. &?; pus.] (Physiol. (Chem.) An albuminoid constituent of pus, related to mucin, possibly a mixture of substances rather than a single body.

||Py*ja"ma (?), n. [Hind. pe- jma, literally, leg clothing.] In India ||and Persia, thin loose trowsers or drawers; in Europe and America, ||drawers worn at night, or a kind of nightdress with legs. [Written ||also paijama.]

Pyk"ar (?), n. An ancient English fishing boat.

||Py"la n.; pl. L. PylÊ (#), E. Pylas (#). [NL., fr. Gr. &?; an ||entrance.] (Anat.) The passage between the iter and optocúle in the ||brain. B. G. Wilder.

Pyl"a*gore (?), n. [Gr. &?;; &?; PylÊ, or ThermopylÊ, where the Amphictyonic council met + &?; to assemble: cf. F. pylagore.] (Gr. Antiq.) a deputy of a State at the Amphictyonic council.

||Py*lan"gi*um (?), n.; pl. Pylangia (&?;). [NL., from Gr. &?; an ||entrance + &?; a vessel.] (Anat.) The first and undivided part of the ||aortic trunk in the amphibian heart. -- Py*lan"gi*al (#), a.

||Py"lon (?), n. [NL., fr. Gr. &?; a gateway.] (a) A low tower, having ||a truncated pyramidal form, and flanking an ancient Egyptian gateway.

Massive pylons adorned with obelisks in front.

J. W. Draper.

(b) An Egyptian gateway to a large building (with or without flanking towers).

Py*lor"ic (?), a. [Cf. F. pylorique.] (Anat.) Of, pertaining to, or in the region of, the pylorus; as, the pyloric end of the stomach.

||Py*lo"rus (?), n.; pl. Pylori (#). [L., fr. Gr. &?; pylorus, gate ||keeper; &?; a gate + &?; watcher, guardian.] (Anat.) (a) The opening ||from the stomach into the intestine. (b) A posterior division of the ||stomach in some invertebrates.

Pyne (?), n. & v. See Pine. [Obs.] Chaucer.

Py*noun" (?), n. A pennant. [Obs.] Chaucer.

Py`o*cy"a*nin (?), n. [Gr. &?; pus + &?; dark blue.] (Physiol. (Chem.) A blue coloring matter found in the pus from old sores, supposed to be formed through the agency of a species of bacterium (Bacillus pyocyaneus).

Py`o*gen"ic (?), a. [Gr. &?; pus + root of &?; to be born.] (Med.) Producing or generating pus.

Py"oid (?), a. [Gr. &?; pus + -- oid.] (Med.) Of or pertaining to pus; of the nature of, or like, pus.

Pyoid corpuscles (Med.), cells of a size larger than pus corpuscles, containing two or more of the latter.

Py`op*neu`mo*tho"rax (?), n. [Gr. &?; pus + E. pneumothorax.] (Med.) Accumulation of air, or other gas, and of pus, in the pleural cavity.

Py"ot (?), n. (Zoˆl.) The magpie. See Piet.

Py`o*xan"those (?), n. [Gr. &?; pus + &?; yellow.] (Physiol. (Chem.) A greenish yellow crystalline coloring matter found with pyocyanin in pus.

Pyr"a*canth (?), n. [Gr. &?; fire + &?; a thorn, prickly plant.] (Bot.) The evergreen thorn (CratÊgus Pyracantha), a shrub native of Europe.