grate

Gnaw into; make resentful or angry.

Scratch repeatedly.

Make a grating or grinding sound by rubbing together.

“grate one's teeth in anger”

Furnish with a grate.

“a grated fireplace”

Reduce to small shreds or pulverize by rubbing against a rough or sharp perforated surface.

“grate carrots and onions”

“grate nutmeg”

A barrier that has parallel or crossed bars blocking a passage but admitting air.

A frame of iron bars to hold a fire.

A harsh rasping sound made by scraping something.