A light two-wheeled carriage or chaise (sometimes without a body), seated for one person: now used principally in trotting races. (So called because…

attributive as trotting-match, trotting-race, trotting-sulky, trotting-term (see trot, v. 2), trotting-track, trotting-turf.

A horse and trap, esp. one in a ramshackle condition; the driver or hirer of one of these. In extended use: an inferior, substandard, or decrepit…

A trotting-cart, a sulky.

Australian. A light, two-wheeled horse-drawn cart; spec. (slang) a sulky used in harness racing (see sulky, n. 1).

A lightly-built cart, trap, or phaeton with a high body and disproportionately large and slender wheels. Originally South African. Also (Australian)…