- (n.) A unit; a single point or spot on a card or die; the card or die so marked; as, the ace of diamonds.
- (n.) Hence: A very small quantity or degree; a particle; an atom; a jot.
- (n.) A single point won by a stroke, as in handball, rackets, etc.; in tennis, frequently, a point won by a service stroke.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). ace. Retrieved September 22, 2026, from http://smartdefine.org/ace/definitions/1970332 |
| Chicago | Webster's. 2011. "ace" http://smartdefine.org/ace/definitions/1970332 (accessed September 22, 2026). |
| Harvard | Webster's 2011, ace, Smart Define, viewed 22 September, 2026, <http://smartdefine.org/ace/definitions/1970332>. |
| MLA | Webster's. "ace" 27 May 2011. Web. 22 September 2026. <http://smartdefine.org/ace/definitions/1970332> |