Word.ws English Dictionary

knotgrass

knotgrass noun: an annual plant, Polygonum aviculare, found in fields and wasteland.

Noun

knotgrass (countable and uncountable, plural knotgrasses)

  1. An annual plant, Polygonum aviculare, found in fields and wasteland
    Synonyms:
    centinode
  2. Paspalum distichum, a weedy perennial grass of wet areas
    Synonyms:
    water couch

Synonyms of knotgrass

Forms of knotgrass

pluralknotgrasses

Origin of knotgrass

From knot + grass.

Words formed from knotgrass

Questions about knotgrass

What does knotgrass mean?
Knotgrass means an annual plant, Polygonum aviculare, found in fields and wasteland.
What part of speech is knotgrass?
Knotgrass is a noun.
What is the plural of knotgrass?
The plural of knotgrass is knotgrasses.

Words near knotgrass in the dictionary

  1. knotchel
  2. knotenschiefer
  3. knotful
  4. knotfulness
  5. knotfuls
  6. knotgrass
  7. knotgrasses
  8. Knoth
  9. knothead
  10. knotheads
  11. knothole

Source and license

Adapted from Wiktionary: knotgrass (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

Last updated:

Cite this entry: “knotgrass.” Word.ws, https://word.ws/knotgrass. Based on Wiktionary, CC BY-SA 4.0.