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[bloo-gras, -grahs] /ˈbluˌgræs, -ˌgrɑs/
any 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 especially on the solo banjo.
the Bluegrass. Bluegrass Region.
Origin of bluegrass
An Americanism dating back to 1745-55; blue + grass Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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British Dictionary definitions for bluegrass


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
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
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Word Origin and History for bluegrass

also blue-grass, music style, 1958, in reference to the Blue Grass Boys, country music band 1940s-'50s, from the "blue" grass (Poa pratensis) characteristic of Kentucky, the grass so called from 1751. Kentucky has been called the Bluegrass State since at least 1872; see blue (n.) + grass.

Online Etymology Dictionary, © 2010 Douglas Harper
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bluegrass in Culture

bluegrass definition

A kind of folk music for guitar, banjo, violin, other stringed instruments, and voice; bluegrass is distinguished by rapid notes and improvisation by the musicians.

The New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Slang definitions & phrases for bluegrass



: the bluegrass sound/ bluegrass mandolin by Bob Applebaum


Music based on the songs and dances of the Southern Appalachians and played usually at a fast tempo by a string group

[fr the nickname of Kentucky, the Bluegrass State]

The Dictionary of American Slang, Fourth Edition by Barbara Ann Kipfer, PhD. and Robert L. Chapman, Ph.D.
Copyright (C) 2007 by HarperCollins Publishers.
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