Epistoma
Pronunciation : E*pis"to*ma, Ep"i*stome
Part of Speech : n.
Etymology : [NL. epistoma, fr. Gr. (Zo?l.) (a) The region between the antenn? and the mouth, in Crustacea. (b) A liplike organ that covers the mouth, in most Bryozoa. See Illust., under Entoprocta.
Source : Webster's Unabridged Dictionary, 1913