A single point or spot on a playing card or die normally indicating it as the prime, i.e. first and forefront. (in playing cards, of that series)
A hole in one.
The ball marked with the number 1 in pool and related games.
An expert at something; a maverick, genius; a person owning a "first rank" talent.
A perfect score on a school exam.
A dollar bill.
A person who is asexual.
A military aircraft pilot who is credited with shooting down many enemy aircraft, typically five or more.
The best pitcher on the team.
Any of various hesperiid butterflies.
A card or die face so marked.
A point won by a single stroke, as in handball, rackets, etc.
A very small quantity or degree; a particle; an atom; a jot.
A serve won without the opponent hitting the ball.
To win a point by an ace.
To pass (a test, interviews etc.) perfectly.
To make an ace (hole in one).
Excellent.
Asexual, not experiencing sexual attraction.
The betting spot located immediately to the left of the dealer, which is first to receive cards and first to act.
The base after home plate in a counter-clockwise path around a baseball infield.
Completion of the first phase of an activity.
Kissing, regarded as the first phase of a sexual relationship.