/ Dictionary / Index H Hirudinea: Meaning and Definition of Find definitions for: Hir•u•din•e•a Pronunciation: (hir"oo-din'ē-u), [key] — n. the class comprising the leeches. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: hirudinea (Thesaurus) hirudin hirudinean Related Content Daily Word Quiz: apogee Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language