/ Dictionary / Index H horseplay: Meaning and Definition of Find definitions for: horse•play Pronunciation: (hôrs'plā"), [key] — n. rough or boisterous play or pranks. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: horseplay (Thesaurus) horse pistol horseplayer Related Content Daily Word Quiz: abyss Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language