Breadcrumb Home > Dictionary > Index H hairball: Meaning and Definition of Find definitions for: hair•ball Pronunciation: (hâr'bôl"), [key] — n. a ball of hair accumulated in the stomach or intestines of a cat or other animal as a result of the animal's licking its coat. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: hairball (Thesaurus) hair hairbrained TrendingHere are the facts and trivia that people are buzzing about. The Book of Philippians: Summary Current Events This Week: May 2023 Preamble of the United Nations Charter Queen Victoria Books of the Bible: New Testament Books in Order The 88 Recognized Constellations ✖ Related Content Daily Word Quiz: shanghai Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language