Defn: Nap of cloth. [Obs.]

PEYER'S GLANDS Pey"er's glands`. Etym: [So called from J.K.Peyer, who described them in 1677.] (Anat.)

Defn: Pathches of lymphoid nodules, in the walls of the small intestiness; agminated glands; — called also Peyer's patches. In typhoid fever they become the seat of ulcers which are regarded as the characteristic organic lesion of that disease.

PEYTREL
Pey"trel, n. Etym: [OF. peitral. See Poitrel.] (Anc. Armor)

Defn: The breastplate of a horse's armor or harness. [Spelt also peitrel.] See Poitrel. [Obs.] Chaucer.

PEZIZA Pe*zi"za, n. Etym: [NL., corrupt. from L. pezica a sessile mushroom, fr. Gr. (Bot.)

Defn: A genus of fungi embracing a great number of species, some of which are remarkable for their regular cuplike form and deep colors.

PEZIZOID
Pez"i*zoid, a. Etym: [Peziza + -oid.] (Bot.)

Defn: Resembling a fungus of the genus Peziza; having a cuplike form.

PFENNIG
Pfen"nig, n.; pl. Pfennigs, G. Pfennige. Etym: [G. See Penny.]