n.
(pl. ponies)
- a horse of a small breed, especially one below 15 hands (or 14 hands 2 inches).
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(the ponies)
informal, chiefly N. Amer. racehorses.
- informal a small glass or measure of alcoholic drink.
- Brit. informal twenty-five pounds sterling.
v.
(
pony something up)
N. Amer. informal hand over a sum of money, especially to settle an account.
Etymology
C17: prob. from Fr. poulenet ‘small foal’.