Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. Any of numerous plants of the widely distributed genus Polygonum, characterized by stems with knotlike joints and conspicuous sheathlike stipules.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. Any of many plants, of the family Polygonaceae, embracing a large number of species, including bistort, knotweed, smartweed, etc.

Etymologies

New Latin Polygonum, genus name, from Greek polugonon, knotgrass : polu-, poly- + gonu, knee; see genu-1 in Indo-European roots.
(American Heritage® Dictionary of the English Language, Fourth Edition)
New Latin, from Greek a kind of plant; many + the knee, a joint of a plant. So called in allusion to the numerous joints (Wiktionary)

Examples

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  • excellent for hiding secret, murd'rous grave sites.

    June 18, 2009