noun
- Ball used in playing billiards. .
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). billiard ball. Retrieved September 20, 2026, from http://smartdefine.org/billiard_ball/definitions/1201778 |
| Chicago | WordNet. 2010. "billiard ball" http://smartdefine.org/billiard_ball/definitions/1201778 (accessed September 20, 2026). |
| Harvard | WordNet 2010, billiard ball, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/billiard_ball/definitions/1201778>. |
| MLA | WordNet. "billiard ball" 23 October 2010. Web. 20 September 2026. <http://smartdefine.org/billiard_ball/definitions/1201778> |