Knotgrass
Pronunciation : Knot"grass`
Part of Speech : n.
Definition : 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." We want a boy extremely for this function, Kept under for a year with milk and knotgrass. Beau. & Fl.
(Bot.) (a) a common weed with jointed stems (Polygonum aviculare); knotweed. (b) The dog grass. See under Dog.
Source : Webster's Unabridged Dictionary, 1913