| ace | |
| 1. n. (card games, dice) A single point or spot on a playing card or die. | |
| 2. n. (card games, dice) A card or die face so marked. | |
| I have the ace of diamonds. | |
| 3. n. A very small quantity or degree; a particle; an atom; a jot. | |
| 4. n. (tennis) A serve won without the opponent hitting the ball. | |
| 5. n. (sports) A single point won by a stroke, as in handball, rackets, etc. | |
| 6. n. (US) (baseball) The best pitcher on the team. | |
| 7. n. (US) (baseball dated 19th century) A run. | |
| 8. n. (US) (golf disc golf) A hole in one. | |
| 9. n. An expert at something. | |
| 10. n. A military aircraft pilot who is credited with shooting down many enemy aircraft, typically five or more. | |
| 11. n. (US) A perfect score on a school exam. | |
| 12. n. (physics, obsolete) A quark. | |
| 13. v. (US) To pass (a test, interviews etc.) perfectly. | |
| 14. v. (tennis) To win a point by an ace. | |
| 15. v. (golf) To make an ace (hole in one). | |
| 16. adj. (slang) Excellent. | |
| 17. adj. (slang) Asexual. (not experiencing sexual attraction) | |
| 18. n. (slang) A person who is asexual. | |
