Definition of pony
plural ponies
1 a
: a small horse;
especially
: one of any of several breeds of very small stocky animals noted for their gentleness and endurance
b
: a bronco, mustang, or similar horse of the western U.S.
c
: racehorse
—usually used in plural
2
: something smaller than standard: such as
a
: a small beer glass
b
: a small liqueur glass typically holding one ounce
3
: a literal translation of a foreign language text;
especially
: one used surreptitiously by students in preparing or reciting lessons
