knotgrass
nounEtymology From knot + grass.
1
An annual plant, Polygonum aviculare, found in fields and wasteland
2
Paspalum distichum, a weedy perennial grass of wet areas
- Derived terms
- common knotgrass, mountain knotgrass
Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.