weed cutter; grass cutter; brush cutter
General term for a machine used to cut weeds, grass, or brush, typically a hand-held or wheeled powered cutter.
The weeds in the garden had grown too much, so I cut them with a weed cutter.
lawn mower
Specifically a lawn mower; compare with 芝刈り機, which is the more common term for a lawn mower.
See also: 芝刈り機
This lawn mower is convenient for lawn care.