an ornamental, reedlike grass, Tripsacum dactyloides, one of the largest in the U.S., growing from 4 to 7 feet (1.2 to 2.1 meter) high.
Origin of gama grass
1825–35, Americanism; variant of grama
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Tripsacum, trip′sa-kum, n. a genus of American grasses, including the gama-grass.
a tall perennial grass, Tripsacum dactyloides, of SE North America: cultivated for fodder
Word Origin for gama grass
C19: gama, probably changed from grama
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