Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun knotgrass

1 sense of knotgrass

Sense 1
knotgrass, Paspalum distichum -- (low-growing weedy grass with spikelets along the leaf stems)
       => grass -- (narrow-leaved green herbage: grown as lawns; used as pasture for grazing animals; cut and dried as hay)