Bible Dictionaries
Epistome

Webster's Dictionary

(1):

(n.) A liplike organ that covers the mouth, in most Bryozoa. See Illust., under Entoprocta.

(2):

(n.) The region between the antennae and the mouth, in Crustacea.

Bibliography Information
Webster, Noah. Entry for 'Epistome'. Noah Webster's American Dictionary. https://www.studylight.org/​dictionaries/​eng/​web/​e/epistome.html. 1828.