Any herbaceous plant not valued for its usefulness or beauty, or regarded as a nuisance in the place where it is growing, esp. when hindering the…

Designating a shoot or spray growing from a part of a plant where it is not wanted; chiefly in bastard branch and bastard slip.

A noxious vegetative growth. Obsolete. rare.

A weed which is considered to have a harmful effect on crops or garden plants; spec. a weed growing on neglected land which may be the subject of…

Originally: any of various European plants chiefly growing as weeds of cultivated land which are eaten by or used as food for pigs, or which are…

A weed of cultivated land; (in later use) esp. = runch, n.

Horticulture. A plant or seedling in a crop that is considered inferior, or exhibits variation from the parental or standard type. Cf. sport, n.1 6a.

A small weed.