/ Dictionary / Index B billiard ball: Meaning and Definition of Find definitions for: bil'liard ball" Pronunciation: [key] one of the balls used in the game of billiards. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. billiard billiard parlor Related Content Daily Word Quiz: fabricate Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language