1. Numeral.  The cardinal number 20, occurring after nineteen and before twenty-one.
  2. Noun.  (colloquial) A banknote with a denomination of 20.
  3. Noun.  (context, CB) 10-20 (location).
  4. Noun.  (military) A set of twenty push-ups.

This is an unmodified, but possibly outdated, definition from Wiktionary and used here under the Creative Commons license.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.