1. (n.) A rider on horseback; one skilled in the management of horses; a mounted man.

2. (n.) A mounted soldier; a cavalryman.

3. (n.) A land crab of the genus Ocypoda, living on the coast of Brazil and the West Indies, noted for running very swiftly.

4. (n.) A West Indian fish of the genus Eques, as the light-horseman (E. lanceolatus).

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