hair grass

noun

Definition of hair grass

1 : any of several grasses having slender wiry stems or leaves: such as
b : any of several grasses of the genera Deschampsia, Muhlenbergia, and Aira
2 : any of several fine-leaved strictly aquatic spike rushes including some that are popular as aerators for the balanced aquarium

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Cite this Entry

“Hair grass.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hair%20grass. Accessed 26 Nov. 2021.

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