[ From Gama, a cluster of the Maldive Islands. ] (Bot.) A species of grass (Tripsacum dactyloides) tall, stout, and exceedingly productive; cultivated in the West Indies, Mexico, and the Southern States of North America as a forage grass; -- called also sesame grass. [ 1913 Webster ]

n. pl. [ F. gamaches. ] High boots or buskins; in Scotland, short spatterdashes or riding trousers, worn over the other clothing. [ 1913 Webster ]