Webster’s Revised Unabridged Dictionary · 1913
Gama grass
Ga′ma grass′. [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.