¦ noun
1. a wild plant growing where it is not wanted and in competition with cultivated plants.
2. informal cannabis.
(the weed) tobacco.
3. Brit. informal a contemptibly feeble person.
4. informal a leggy, loosely built horse.
¦ verb
1. remove weeds from.
2. (weed something out) remove unwanted items or members from something.
Derivatives
weeder noun
weedless adjective
Origin
OE weod (n.), weodian (v.), of unknown origin.