Definition for PO-LYG'ON-UM

PO-LYG'ON-UM, n. [Gr. πολυς, many, and γονυ, knee or knot.]

A genus of plants so named from the numerous joints in the stem. Some of the most remarkable species of Polygonum are the three sorts of Buckwheat, the medicinal Bistort, the water-pepper, &c.

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