Pronunciation : Po"ny
Part of Speech : n.;
Etymology : [Gael. ponaidh.]
Definition : 1. A small horse.
2. Twenty-five pounds sterling. [Slang, Eng.]
3. A translation or a key used to avoid study in getting lessons; a crib. [College Cant]
4. A small glass of beer. [Slang] 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. [U.S.] -- 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.
pl. Ponies (. [Written also poney.]
Source : Webster's Unabridged Dictionary, 1913