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Webster 1913 Edition


Knotgrass

Knot′grassˊ

,
Noun.
(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.

Webster 1828 Edition


Knotgrass

KNOT'GRASS

,
Noun.
not'grass. The name of several species of plants, so denominated from the joints of the stem. The common knotgrass is the Polygonum aviculare.

Definition 2024


knotgrass

knotgrass

English

Noun

knotgrass (plural knotgrasses)

  1. An annual plant, Polygonum aviculare, found in fields and wasteland

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