/ Dictionary / Index H hirundine: Meaning and Definition of Find definitions for: hi•run•dine Pronunciation: (hi-run'din, -dīn), [key] — adj. of, pertaining to, or resembling the swallow. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. hirudinoid his 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