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redtop

noun
red·​top | \ˈred-ˌtäp \

Definition of redtop 

: any of several grasses (genus Agrostis) with usually reddish panicles especially : a Eurasian grass (A. alba synonym A. gigantea) grown in eastern North America as forage and lawn grass

First Known Use of redtop

1792, in the meaning defined above

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The first known use of redtop was in 1792

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