n. A very small horse; specifically, a horse less than 13 hands in height.n. The sum of £25.n. A translation of a Greek or Latin author used unfairly in the preparation of lessons; hence, any book so used: same as horse, 9. [School and college slang.]n. A very small drinking-glass.n. The quantity (of liquor) contained in such a glass.n. A small raft of logs.n. In the West Indies, a small tree, Tecoma serratifolia.To use a pony in translating: as, to pony a piece of Latin.n. Something very small of its kind: an attributive use.To pay; settle; put: with up.