pigweed
noun
High School
1
Any of various weedy plants sometimes used as pig fodder
2
Amaranthus species.
3
Chenopodium album, white goosefoot.
4
Portulaca bicolor, of Australia.
5
Polygonum aviculare (common knotgrass).
6
Heracleum sphondylium.
Thesaurus
#dialectal