- any of several North American bluish-green grasses of the genus Poa, esp P. pratensis (Kentucky bluegrass), grown for forage
- a type of folk music originating in Kentucky, characterized by a simple harmonized accompaniment
WordReference Random House Learner's Dictionary of American English © 2020
blue•grass /ˈbluˌgræs/USA pronunciation n. [uncountable]WordReference Random House Unabridged Dictionary of American English © 2020
- Plant Biologya grass having dense clumps of bluish green blades.
- Music and Dancea kind of country music played on the banjo, fiddle, guitar, and bass.
blue•grass (blo̅o̅′gras′, -gräs′),USA pronunciation n.
- Plant Biologyany grass of the genus Poa, as the Kentucky bluegrass, P. pratensis, having dense tufts of bluish-green blades and creeping rhizomes.
- country music that is polyphonic in character and is played on unamplified stringed instruments, with emphasis esp. on the solo banjo.
- Place Namesthe Bluegrass. See Bluegrass Region.
- blue + grass 1745–55, American.
Collins Concise English Dictionary © HarperCollins Publishers::
bluegrass /ˈbluːˌɡrɑːs/ n
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