ace
(card games) A playing card showing a single pip, typically the highest or lowest ranking card in a game.
(dice) A die face marked with a single dot, typically representing the number one.
The ball marked with the number 1 in pool and related games.
(slang) A dollar bill.
A very small quantity or degree; a particle; an atom; a jot.
(volleyball) A serve won without the opponent hitting the ball.
(sports) A point won by a single stroke, as in handball, rackets, etc.
(baseball) The best pitcher on the team.
(19th century) A run.
(disc golf) A hole in one.
(attributive) An expert at something; a maverick, genius; a person of supreme talent.
A military aircraft pilot who is credited with shooting down many enemy aircraft, typically five or more.
(US) A perfect score on a school exam.
Any of various hesperiid butterflies.
(obsolete) A quark.
(informal) To pass (a test, interviews etc.) perfectly.
(informal) To defeat (others) in a contest; to outdo (others) in a competition.
(tennis) To win a point against (an opponent) by an ace.
(golf) To make an ace (hole in one).
(excellent) (slang) Excellent.
(slang) A person who is asexual.