noun
bench grinder
A power tool with grinding wheels mounted on a bench, used for shaping, sharpening, or polishing metal.
工場でベンチグラインダーを使って金属のバリを取る。
In the factory, they use a bench grinder to remove burrs from metal.
Variant with interpunct; less common in running text.
Loanword from English 'bench grinder'.