rot grass

noun

dialectal, British
: any of several marsh or bog plants believed to cause rot in sheep: such as
a
: velvet grass
b
: butterwort

Word History

First Known Use

1631, in the meaning defined above

Time Traveler
The first known use of rot grass was in 1631

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Dictionary Entries Near rot grass

rotenone

rot grass

rotgut

See More Nearby Entries 

Cite this Entry

“Rot grass.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/rot%20grass. Accessed 26 Nov. 2024.

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