Word Study
Polygonum
WORDNET DICTIONARY
Noun Polygonum has 1 sense
- polygonum(n = noun.plant) genus polygonum - diverse genus of herbs or woody subshrubs of north temperate regions; Array is a kind of dicot genus, magnoliopsid genus
is a member of buckwheat family, family polygonaceae, polygonaceae
CIDE DICTIONARY
Polygonum, n. [NL., fr. Gr. a kind of plant; poly`s many + go`ny the knee, a joint of a plant. So called in allusion to the numerous joints.].
A genus of plants embracing a large number of species, including bistort, knotweed, smartweed, etc. [1913 Webster]
OXFORD DICTIONARY
Polygonum, n. any plant of the genus Polygonum, with small bell-shaped flowers. Also called KNOTGRASS, KNOTWEED.
Etymology
mod.L f. Gk polugonon
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