What is "gama grass"

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.

n. A tall coarse American grass ((taxlink Tripsacum dactyloides species noshow=1)) valuable for forage.