/ Dictionary / Index H Houyhnhnm: Meaning and Definition of Find definitions for: Hou•yhn•hnm Pronunciation: (h-in'um, hwin'um, win'-), [key] — n. (in Swift's Gulliver's Travels) one of a race of horses endowed with reason, who rule the Yahoos, a race of degraded, brutish creatures having human form. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: houyhnhnm (Thesaurus) Houstonian HOV Related Content Daily Word Quiz: belligerent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language