1. Proper noun.  An English family name.
  2. Noun.  A solid or hollow sphere.
  3. Noun.  An object, generally spherical, used for playing games.
  4. Noun.  A quantity of string, thread, etc., wound into a spherical shape.
  5. Noun.  Any simple game involving a ball.
  6. Noun.  (baseball) A pitch that falls outside of the strike zone.
  7. Noun.  (context, pinball) An opportunity to launch the pinball into play.
  8. Noun.  (context, ballistics) A solid, spherical nonexplosive missile for a cannon, etc.
  9. Noun.  (context, ballistics) A jacketed non-expanding bullet, typically of military origin.
  10. Noun.  (mathematics) The set of points in a metric space lying within a given distance (the radius) of a given point; specifically, the homologue of the disk in a Euclidean space of any number of dimensions.
  11. Noun.  (mathematics, more generally) The set of points in a topological space lying within some open set containing a given point; the analogue of the disk in a Euclidean space.
  12. Noun.  (context, mildly) A testicle.
  13. Noun.  (context, mildly) Nonsense.
  14. Noun.  (slang, in the plural) Courage.
  15. Noun.  (cricket) A single delivery by the bowler, six of which make up an over.
  16. Noun.  (soccer) A pass; a kick of the football towards a teammate.
  17. Noun.  (anatomy) The front of the bottom of the foot, just behind the toes.
  18. Verb.  (transitive, vulgar) To have sexual intercourse with.
  19. Interjection.  (Australian rules football) An appeal by the crowd for holding the ball against a tackled player. This is heard almost any time an opposition player is tackled, without regard to whether the rules about "prior opportunity" to dispose of the ball are fulfilled.
  20. Noun.  A formal dance.
  21. Noun.  (informal) A very enjoyable time.

This is an unmodified, but possibly outdated, definition from Wiktionary and used here under the Creative Commons license. Wiktionary is a great resource. If you like it too, please donate to Wikimedia.

This entry was last updated on RefTopia from its source on 3/20/2012.