grate

a frame of iron bars to hold a fire

a harsh rasping sound made by scraping something

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

furnish with a grate; "a grated fireplace"

gnaw into; make resentful or angry; "The injustice rankled her"; "his resentment festered"

reduce to small shreds or pulverize by rubbing against a rough or sharp perforated surface; "grate carrots and onions"; "grate nutmeg"

make a grating or grinding sound by rubbing together; "grate one's teeth in anger"

scratch repeatedly; "The cat scraped at the armchair"