grama grass Meaning, Definition & Usage
- 
       noun pasture grass of plains of South America and western North America
       
       
 gramma grass; gramma; grama.
 
WordNet
Gra"ma grass`
Etymology
Sp.Definitions
- (Bot.) - The name of several kinds of pasture grasses found in the Western United States, esp. the - Bouteloua oligostachya .