n. One who races; a runner or contestant in a race or in races of any kind.n. A race-horse.n. Hence, anything having great speed.n. In a braiding-machine, a traversing support for tension and spool-holding apparatus.n. A snake of the genus Scotophis (or Coluber), S. obsoletus, also called pilot black-snake or pilot-snake, It is black, with a mottled black and yellow belly, and has the median dorsal scales carinated.n. A snake, Bascanion constrictor, the common black-snake of the eastern United States. It is blue or blue-black, with greenish-blue belly, and has smooth scales.n. A poor, thin, or spent fish; a slink: applied to mackerel, shad, salmon, etc.n. A sandcrab. See Ocypodan. Same as race-plate.n. In the Southern States, applied to the corn-snake, Callopeltis getulus, a large harmless snake of a reddish-brown color with redder markings.