Found 2 items, similar to knotgrass.
English → English (WordNet) Definition: knotgrass knotgrass n : low-growing weedy grass with spikelets along the leaf stems [syn: Paspalum distichum]
English → English (gcide) Definition: Knotgrass Knotgrass \Knot"grass`\, n. (Bot.) (a) a common weed with jointed stems (Polygonum aviculare); knotweed. (b) The dog grass. See under Dog. [1913 Webster] Note: An infusion of Polygonum aviculare was once supposed to have the effect of stopping the growth of an animal, and hence it was called, as by Shakespeare, “hindering knotgrass.” [1913 Webster] We want a boy extremely for this function, Kept under for a year with milk and knotgrass. --Beau. & Fl. [1913 Webster]