knotgrass Meaning, Definition & Usage
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noun low-growing weedy grass with spikelets along the leaf stems
Paspalum distichum.
WordNet
Knot"grass` noun
Definitions
(Bot.) (a) a common weed with jointed stems (Polygonum aviculare) ; knotweed.(b) The dog grass. See under Dog .✍ 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."We want a boy extremely for this function, Kept under for a year with milk and knotgrass. Beau. & Fl.