ace

noun16

1. •
   in a set of playing cards, one that shows only one sign, which in many games beats every other card
2. •
   A die face marked with a single dot, typically representing the number one.
3. •
   The ball marked with the number 1 in pool and related games.

   • Ace in the corner. — 1961
4. •
   (US) The best pitcher on the team.
5. •
   [before a noun] An expert at something; a maverick, genius; a person of supreme talent.

   • ‘Weston, the ace of theatrical agents.’ — 1932
6. •
   A military aircraft pilot who is credited with shooting down many enemy aircraft, typically five or more.
7. •
   A serve won without the opponent hitting the ball.
8. •
   A point won by a single stroke, as in handball, rackets, etc.
9. •
   A hole in one.
10. •
    (slang) A person who is asexual.

    • Asexuals are programmed differently, like anybody else on the LGBTQXYZ spectrum, but difference is cool! Difference is perhaps the best part of being queer. Own it, aces! — 2012
11. •
    (US) A perfect score on a school exam.
12. •
    (US, slang) A dollar bill.

    • […] maybe two or three twenties, a dozen tens, and twenty or thirty fins. The rest is all aces and silver. — 1990
13. •
    Any of various hesperiid butterflies.
14. •
    A very small quantity or degree; a particle; an atom; a jot.

    • He will not bate an ace of absolute certainty. — 1658
15. •
    (no longer used, old-fashioned) A run.
16. •
    (no longer used) A quark.

verb4

1. •
   To win a point against (an opponent) by an ace.
2. •
   (US, informal) To pass (a test, interviews etc.) perfectly.
3. •
   To make an ace (hole in one).
4. •
   (US, informal) To defeat (others) in a contest; to outdo (others) in a competition.

adjective2

1. •
   (UK, slang) Excellent.
2. •
   (slang) Asexual, not experiencing sexual attraction.

   • “If you identify as ace [asexual] and you just don’t feel like having sex, then for me, sex-positive means, ‘That’s great! It’s fantastic you don’t want to have sex!’” says McGown. — 2013

noun10

1. •
   A member of American Cinema Editors
2. •
   Initialism of angiotensin converting enzyme.
3. •
   Initialism of adverse childhood experience.
4. •
   Initialism of arbitrary code execution.
5. •
   Initialism of accumulated cyclone energy.
6. •
   Initialism of air combat element.
7. •
   Initialism of aviation combat element.
8. •
   Initialism of access control entry.
9. •
   Initialism of ASCII-compatible encoding.

   • Because the DNS requires that a domain name be in an ACE format, IDNA proposes that client applications, such as a web browser, manage the character conversion internally. — 2003
10. •
    Initialism of analysis and control element.