Nine-ball

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    A form of pool in which players must hit with the cue ball the object ball with the lowest numerical value, but may legally pot any ball apart from the white; whichever player pots the nine ball wins the game. uncountable

Etymology

Nine colored balls are used, in addition to the cue ball.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.