pony [ˈpəʊnɪ]
n pl ponies
1. (Life Sciences & Allied Applications / Animals) any of various breeds of small horse, usually under 14.2 hands
2.
a. a small drinking glass, esp for liqueurs
b. the amount held by such a glass
3. anything small of its kind
4. (Group Games / Gambling, except Cards) Brit slang a sum of £25, esp in bookmaking
5. (Social Science / Education) Also called trot US slang a literal translation used by students, often illicitly, in preparation for foreign language lessons or examinations; crib See also pony up