/ Dictionary / Index P polo pony: Meaning and Definition of Find definitions for: po'lo po"ny Pronunciation: [key] a small, swift, agile horse specially trained for use in polo. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Polonnaruwa polos Related Content Daily Word Quiz: penury Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language