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billiard

Pronunciation: /ˈbɪlɪəd/

The English word “billiard” has 4 meanings listed here.

noun

  1. A shot in billiards or snooker in which the cue ball strikes two other balls; a carom.
  2. Pertaining to the game of billiards.
  3. A dynamical system in which a particle alternates between motion in a straight line and specular reflections from a boundary.

numeral

  1. 10¹⁵, a thousand billion (long scale) or a million milliard.

Etymology

From French billard with the insertion of the second i and orthographic representation of the French palatalized /j/ sound, originally referring to the wooden cue stick, diminutive of Old French bille (“log, tree trunk”), from Vulgar Latin *bilia, probably of Gaulish origin (compare Old Irish bile (“large tree, tree trunk”)), from Proto-Celtic *belyos (“tree”), from Proto-Indo-European *bʰolh₃yos…

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Definitions are from Wiktionary, extracted by Kaikki.org, and are available under the CC BY-SA 4.0 licence.