/ Dictionary / Index A Appaloosa: Meaning and Definition of Find definitions for: Ap•pa•loo•sa Pronunciation: (ap"u-l'su), [key] — n. one of a hardy breed of riding horses, developed in the North American West, having a mottled hide, vertically striped hoofs, and eyes that show a relatively large proportion of white. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: appaloosa (Thesaurus) appalling appanage Related Content Daily Word Quiz: philtrum Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language