grate

(noun) a frame of iron bars to hold a fire. Synonyms: grating.

(noun) a harsh rasping sound made by scraping something.

(noun) a barrier that has parallel or crossed bars blocking a passage but admitting air. Synonyms: grating.

(verb) furnish with a grate. Examples: "A grated fireplace."

(verb) gnaw into; make resentful or angry. Synonyms: eat into, fret, rankle. Examples: "The injustice rankled her." "His resentment festered."

(verb) reduce to small shreds or pulverize by rubbing against a rough or sharp perforated surface. Examples: "Grate carrots and onions." "Grate nutmeg."

(verb) make a grating or grinding sound by rubbing together. Synonyms: grind. Examples: "Grate one's teeth in anger."

(verb) scratch repeatedly. Synonyms: scrape. Examples: "The cat scraped at the armchair."