Po″ny (?), n.; pl.Ponies (�). [Written also poney.] [Gael. ponaidh.] 1. A small horse.
2. Twenty-five pounds sterling.
3. A translation or a key used to avoid study in getting lessons; a crib.
4. A small glass of beer.
Pony chaise, a light, low chaise, drawn by a pony or a pair of ponies. — Pony engine, a small locomotive for switching cars from one track to another. — Pony truck(Locomotive Engine), a truck which has only two wheels. — Pony truss(Bridge Building), a truss which has so little height that overhead bracing can not be used.