(n.) An acrid plant of the genus Polygonum (P. Hydropiper), which produces smarting if applied where the skin is tender.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). smartweed. Retrieved September 21, 2026, from http://smartdefine.org/smartweed/definitions/2063164 |
| Chicago | Webster's. 2011. "smartweed" http://smartdefine.org/smartweed/definitions/2063164 (accessed September 21, 2026). |
| Harvard | Webster's 2011, smartweed, Smart Define, viewed 21 September, 2026, <http://smartdefine.org/smartweed/definitions/2063164>. |
| MLA | Webster's. "smartweed" 28 May 2011. Web. 21 September 2026. <http://smartdefine.org/smartweed/definitions/2063164> |