knotgrass
English edit
Etymology edit
Noun edit
knotgrass (countable and uncountable, plural knotgrasses)
- An annual plant, Polygonum aviculare, found in fields and wasteland
- Synonym: centinode
- Paspalum distichum, a weedy perennial grass of wet areas
- Synonym: water couch
Derived terms edit
Translations edit
annual plant
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