From WordNet (r) 3.0 (2006) :
pony
n 1: a range horse of the western United States
2: an informal term for a racehorse; "he liked to bet on the
ponies"
3: a literal translation used in studying a foreign language
(often used illicitly) [syn: pony, trot, crib]
4: a small glass adequate to hold a single swallow of whiskey
[syn: shot glass, jigger, pony]
5: any of various breeds of small gentle horses usually less
than five feet high at the shoulder