/ Dictionary / Index H hydatid: Meaning and Definition of Find definitions for: hy•da•tid Pronunciation: (hī'du-tid), [key] — Pathol. Pathol. —n. a cyst with watery contents that is produced in humans and animals by a tapeworm in the larval state; cysticerus. a cystic vestige of an embryonic feature. —adj. of or pertaining to a hydatid. containing or affected by hydatids. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: hydatid (Thesaurus) hydathode Hyde Related Content Daily Word Quiz: soporific Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language