grama definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
any of a genus (Bouteloua) of native range grasses of the western U.S.
also grama grass
Origin: Spanish ; from Classical Latin gramen, grass
grama definition by American Heritage Dictionary
Any of various grasses of the genus Bouteloua of western North America and South America, forming dense tufts or mats and often used as pasturage.
Origin: American Spanish, from Spanish, Bermuda grass, quitch grass, from Latin grāmen, grāmin-, grass.