- one of the balls used in the game of billiards.
Origin of billiard ball
First recorded in 1630–40
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for billiard ball
The impulse of one billiard-ball is attended with motion in the second.
The billiard-ball, that strikes another, determines its movement by impelling.Creative Evolution
The hands should rebound from the chest like a billiard-ball from a cushion.Boating
W. B. Woodgate
Here is a real and living world, and you roll through it like a billiard-ball.Queed
Henry Sydnor Harrison
If I see a billiard-ball moving towards another, on a smooth table, I can easily conceive it to stop upon contact.