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hair grass

noun
  1. any of various grasses having slender stems and leaves, especially one of the genus Deschampsia, as D. flexuosa or D. caespitosa.
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Origin of hair grass

First recorded in 1750–60
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for hair grass

hair grass

noun
  1. any grass of the genera Aira, Deschampsia, etc, having very narrow stems and leaves
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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