from
The Collaborative International Dictionary of English v.0.48
Pony \Po"ny\, n.; pl. {Ponies}. [Written also {poney}.] [Gael.
ponaidh.]
1. A small horse.
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2. Twenty-five pounds sterling. [Slang, Eng.]
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3. A translation or a key used to avoid study in getting
lessons; a crib; a trot. [College Cant]
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4. A small glass of beer. [Slang]
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{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.
[1913 Webster] poop
poopoo