gramma

gram·ma ¹  (grm)

n. Informal

A grandmother.

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[Alteration of grandma.]

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gram·ma ²  (gräm, grm)

n.

Variant of grama.

Thesaurus

Noun

1.

gramma - pasture grass of plains of South America and western North America grama, grama grass, gramma grass grass - narrow-leaved green herbage: grown as lawns; used as pasture for grazing animals; cut and dried as hay Bouteloua, genus Bouteloua - forage grasses blue grama, Bouteloua gracilis - a pasture grass of western North America black grama, Bouteloua eriopoda - a pasture grass (especially of western coastal regions of North America)