knotgrass

noun knot·grass \ ˈnät-ˌgras \

Definition of knotgrass

1 :a cosmopolitan prostrate weed (Polygonum aviculare) of the buckwheat family with jointed stems, prominent sheathing stipules, and minute flowers; broadly :any of several congeneric plants
2 :any of several grasses (such as Paspalum distichum) with markedly jointed stems

Recent Examples of knotgrass from the Web

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First Known Use of knotgrass

1538


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