pony Definition

pony
noun ponies

1. Any of several small hardy breeds of horse, usually less than 14.2 hands (1.5m) in height when fully grown, noted for their intelligence.
(Brit)
2. slang
A sum of £25.
(US)
3. slang
A crib or a translation prepared for use in an exam, etc.
4. slang
A small glass.

Etymology: 17c: from Scots powney, from French poulenet, diminutive of poulain colt, from Latin pullus a young animal or foal.