ˈ ̷ ̷ˌ ̷ ̷ noun
Etymology: pig (I) + weed
: any of various strongly growing weedy plants: as
a. : any of several plants of the genus Amaranthus (as A. retroflexus and A. hybridus ) that are sometimes used as potherbs, have edible seeds for which they have been cultivated locally, and produce pollen that is an important hay fever allergen
b. : goosefoot 1 ; especially : lamb's-quarters 1
c. Australia : a purslane ( Portulaca oleracea )