En'to-zō'ön, n.

n.: pl. ĒN'TO-ZŌ'Ā. [Gr. ἐντός, in, within, and ζῷον, animal.] (Zoöl.) A worm-like animal adapted to live within parts of another animal, as within the eye, the intestines, &c., the different species being peculiar to the different parts; as the tape-worm, and the like. Dana.