| Horseman 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). Thesaurus Entries broncobuster, buckaroo, caballero, cavalier, cavalryman, chevalier, circus rider, cowboy, cowgirl, cowpuncher, equestrian, equestrienne, gaucho, horse soldier, horseback rider, horsebacker, horsewoman, jockey, knight, mounted policeman, postboy, postilion, puncher, rider, roughrider, steeplechaser, trick rider, vaquero |