PERISOMA
Per`i*so"ma, n.; pl. Perisomata. Etym: [NL.] (Zoöl.)

Defn: Same as Perisome.

PERISOME
Per"i*some, n. Etym: [Pref. peri- + -some body.] (Zoöl.)

Defn: The entire covering of an invertebrate animal, as echinoderm or coelenterate; the integument.

PERISPERM
Per"i*sperm, n. Etym: [F. périsperme. See Peri-, and Sperm.] (Bot.)

Defn: The albumen of a seed, especially that portion which is formed outside of the embryo sac. — Per`i*sper"mic, a.

PERISPHERIC; PERISPHERICAL
Per`i*spher"ic, Per`i*spher"ic*al, a.

Defn: Exactly spherical; globular.

PERISPOMENON
Per`i*spom"e*non, n.; pl. Perispomena. Etym: [NL., from Gr. (Gr.
Gram.)

Defn: A word which has the circumflex accent on the last syllable.
Goodwin.