a small horse of any of several breeds, usually not higher at the shoulder than 14½ hands (58 inches/146 centimeters).
a horse of any small type or breed.
Slang. a literal translation or other text, used illicitly as an aid in schoolwork or while taking a test; crib.
something small of its kind.
a small glass for liquor.
the amount of liquor it will hold, usually one ounce (29.6 milliliters).
a small beverage bottle, often holding seven ounces (196 grams): We bought a dozen ponies of Mexican beer.
Older Slang. a diminutive chorus girl.
pony pack.
BritishSlang. the sum of 25 pounds.
verb (used with object),po·nied,po·ny·ing.
Slang. to prepare (lessons) by means of a pony.
RacingSlang.
to be the outrider for (a racehorse).
to exercise (a racehorse) by having a rider mounted on another horse lead it at a gallop around a track.
verb (used without object),po·nied,po·ny·ing.
to prepare a lesson or lessons with the aid of a pony.
Idioms for pony
pony up, Informal. to pay (money), as in settling an account: Next week you'll have to pony up the balance of the loan.
Origin of pony
First recorded in 1650–60; earlier powney, from obsolete French poulenet, diminutive of poulain “colt,” from Medieval Latin pullānus (Latin pull(us) “young animal” + -ānus adjective suffix); see foal, -an, -et