WordReference Random House Unabridged Dictionary of American English © 2025
smart•weed
(smärt′wēd′),USA pronunciation n.
- Plant Biologyany of several weeds of the genus Polygonum, having a smarting, acrid juice.
- smart + weed1 1780–90
'smartweed' also found in these entries (note: many are not synonyms or translations):