from The Century Dictionary.
- noun A plant of the genus Polygonum; specifically, the Polygonum aviculare, or knot-grass.
from the GNU version of the Collaborative International Dictionary of English.
- noun (Bot.) Any plant of the genus Polygonum.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun Any plant of the genus
Polygonum, especially knotgrass.
from Wiktionary, Creative Commons Attribution/Share-Alike License
From Latin polygonium, from Ancient Greek πολύγονον.
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