RhymeZone: ponies definitions

Definitions of pony:

noun: a range horse of the western United States
noun: any of various breeds of small gentle horses usually less than five feet high at the shoulder
noun: an informal term for a racehorse
noun: a literal translation used in studying a foreign language (often used illicitly)
noun: a small glass adequate to hold a single swallow of whiskey

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See pony used in context: 10 rhymes, several books and articles.