Dictionary.net

one of four playing cards in a deck having a single pip on its face

score an ace against; "He aced his opponents"

a major strategic headquarters of NATO; safeguards an are extending from Norway to Turkey

serve an ace against (someone)

play (a hole) in one stroke

of the highest quality; "an ace reporter"; "a crack shot"; "a first-rate golfer"; "a super party"; "played top-notch tennis"; "an athlete in tiptop condition"; "she is absolutely tops"

one of four playing cards in a deck having a single pip on its face

serve an ace against (someone), in tennis

play in one stroke; of holes, in golf

score an ace against; "He aced his opponents"

A unit; a single point or spot on a card or die; the card or die so marked; as, the ace of diamonds.

Hence: A very small quantity or degree; a particle; an atom; a jot.

A single point won by a stroke, as in handball, rackets, etc.; in tennis, frequently, a point won by a service stroke.

A unit; a single point or spot on a card or die; the card or die so marked; as, the ace of diamonds.

Hence: A very small quantity or degree; a particle; an atom; a jot.

A single point won by a stroke, as in handball, rackets, etc.; in tennis, frequently, a point won by a service stroke.

A unit; a card or die marked with a single spot; a very small quantity; an aviator who has brought down at least five enemy airplanes.

The one of cards and dice.

A single spot on a card or die; a unit; particle.

A military airman who has destroyed five enemies.

A unit; the one of cards or dice; a particle; a trifle.

A unit; a trifle; a mark on a card.

n. [Latin] A single point on a card or die ; or the card or die so marked ;—a particle ; an atom.

A unit, a single point on cards or dice; a small quantity.