English Explanatory Dictionary

knotgrass

English dictionary entry

Meanings

noun
  1. An annual plant, Polygonum aviculare, found in fields and wasteland
  2. Paspalum distichum, a weedy perennial grass of wet areas

Word forms

knotgrass knotgrasses

Etymology

From knot + grass.

Synonyms

centinode water couch

Derived words

common knotgrass mountain knotgrass
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