/ Dictionary / Index H hirudinean: Meaning and Definition of Find definitions for: hir•u•din•e•an Pronunciation: (hir"oo-din'ē-un), [key] — n. any annelid worm of the class Hirudinea, comprising the leeches. —adj. belonging or pertaining to the Hirudinea. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: hirudinean (Thesaurus) Hirudinea hirudinoid 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