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grama

American  
[grah-muh] / ˈgrɑ mə /
Or gramma

noun

  1. any grass of the genus Bouteloua, of South America and western North America, as B. gracilis blue grama.


grama British  
/ ˈɡrɑːmə /

noun

  1. any of various grasses of the genus Bouteloua, of W North America and South America: often used as pasture grasses

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of grama

1820–30, < Spanish grama < Latin grāmina, plural of grāmen grass