°Any
plant growing in
cultivated ground to the injury of the
crop or desired vegetation, or to the disfigurement of the place; an unsightly, useless, or injurious plant.
"If it isn't in a straight line or marked with a label, it's a weed."
°A species of plant considered harmful to the environment or regarded as a nuisance.
verb
°To remove unwanted vegetation from a cultivated area.