weeder Definition

weed
noun

1. Any plant that grows wild and has no specific use or aesthetic value.
2. Any plant growing where it is not wanted, especially one that is thought to hinder the growth of cultivated plants such as crops or garden plants.
3. A plant growing in fresh or salt water.

Example: pondweed
Example: seaweed
4. slang
Marijuana.
Thesaurus: marijuana, ganja, pot (slang), Mary Jane (slang), locoweed (US slang).
5. slang
Tobacco.
Form: the weed
6. derog
A skinny, feeble or ineffectual man.

verb weeded, weeding

tr & intr
1. To uproot weeds from (a garden or flowerbed, etc).

Thesaurus: hoe, garden.
2. To identify and eliminate (eg those who are unwanted or ineffective from an organization or other group).

Thesaurus: thin out, get rid of, eliminate, purge, remove, root out, eradicate.
Form: weed out (also)

Derivative: weeder
noun

Derivative: weeding
noun

Derivative: weedless
adj

Etymology: Anglo-Saxon weod.