/ Dictionary / Index H hydathode: Meaning and Definition of Find definitions for: hy•da•thode Pronunciation: (hī'du-thōd"), [key] — n. Bot. a specialized leaf structure through which water is exuded. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: hydathode (Thesaurus) hydantoin hydatid Related Content Daily Word Quiz: inutiae Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language