Aces meaning : A single point or spot on a playing card or die. A card or die face so marked. The ball marked with the number 1 in pool and related games. A very small quantity or degree; a particle; an atom; a jot. A serve won without the opponent hitting the ball. A single point won by a stroke, as in handball, rackets, etc. The best pitcher on the team. (19th century) A run. A hole in one. An expert at something. A military aircraft pilot who is credited with shooting down many enemy aircraft, typically five or more. A perfect score on a school exam. Any of various hesperiid butterflies. A quark. (US) To pass (a test, interviews etc.) perfectly. To win a point by an ace. To make an ace (hole in one). A person who is asexual.