a valueless plant growing wild, esp. one that grows on cultivated ground to the exclusion or injury of the desired crop.

any undesirable or troublesome plant, esp. one that grows profusely where it is not wanted

The vacant lot was covered with weeds.

Informal . a cigarette or cigar.

Slang . a marijuana cigarette.

a thin, ungainly person or animal.

a wretched or useless animal, esp. a horse unfit for racing or breeding purposes.

the weed,

Informal . tobacco.

Slang . marijuana.

to free from weeds or troublesome plants; root out weeds from

to weed a garden.

to root out or remove (a weed or weeds), as from a garden (often fol. by out )

to weed out crab grass from a lawn.

to remove as being undesirable, inefficient, or superfluous (often fol. by out )

to weed out inexperienced players.

to rid (something) of undesirable or superfluous elements.

to remove weeds or the like.

noun

buckthorn , burr , cigarette , dandelion , darnel , dock , hemp , hoe , horsemint , marijuana , nettle , plantain , pot , purloin , purslane , ragweed , tare , thistle , tobacco , undergrowth , vetch