pony
Americannoun
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a small horse of any of several breeds, usually not higher at the shoulder than 14½ hands (58 inches/146 centimeters).
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a horse of any small type or breed.
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Slang. a literal translation or other text, used illicitly as an aid in schoolwork or while taking a test; crib.
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something small of its kind.
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a small glass for liquor.
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the amount of liquor it will hold, usually one ounce (29.6 milliliters).
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a small beverage bottle, often holding seven ounces (196 grams).
We bought a dozen ponies of Mexican beer.
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Older Slang. a diminutive chorus girl.
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British Slang. the sum of 25 pounds.
verb (used with object)
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Slang. to prepare (lessons) by means of a pony.
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Racing Slang.
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to be the outrider for (a racehorse).
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to exercise (a racehorse) by having a rider mounted on another horse lead it at a gallop around a track.
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verb (used without object)
idioms
noun
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any of various breeds of small horse, usually under 14.2 hands
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a small drinking glass, esp for liqueurs
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the amount held by such a glass
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anything small of its kind
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slang a sum of £25, esp in bookmaking
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Also called: trot. slang a literal translation used by students, often illicitly, in preparation for foreign language lessons or examinations; crib
Other Word Forms
Noun Inflected Forms
Etymology
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
Explanation
A pony is just like a horse, only shorter. Riding a pony can be less intimidating than riding a horse, because you sit a little closer to the ground. Giddy-up! Many people think that ponies are young horses, but they're entirely different (though closely related) animals. A pony is smaller than a horse, with shorter legs, although often thicker and sturdier proportionally through the body. To pony up, on the other hand, doesn't have anything to do with equines: it means to pay money: "If you want a cup of lemonade, you'll have to pony up a dollar."
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Autonomous-driving companies WeRide and Pony AI both listed in Hong Kong last year to unlock more capital to grow their fleets and develop their technology.
From The Wall Street Journal • Jun. 19, 2026
Pony AI also increased its year-end 2026 robo-taxi fleet target to over 3,500 units.
From Barron's • May 26, 2026
Pony said it’s raising its Robotaxi revenue growth view to more than 3.5 times 2025 levels, from 3 times, and Robotaxi fleet-size target to over 3,500 units from 3,000.
From MarketWatch • May 26, 2026
Pony AI’s first-quarter sales reached $34.3 million, significantly surpassing Wall Street’s $22.3 million estimate.
From Barron's • May 26, 2026
The home and centre of the art is thus to be found in the old inn of Bree, The Prancing Pony, that has been kept by the family of Butterbur from time beyond record.
From "The Fellowship of the Ring" by J.R.R. Tolkien
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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.