grate
     n 1: a frame of iron bars to hold a fire [syn: {grating}]
     2: a harsh rasping sound made by scraping something
     3: a barrier that has parallel or crossed bars blocking a
        passage but admitting air [syn: {grating}]
     v 1: furnish with a grate; "a grated fireplace"
     2: gnaw into; make resentful or angry; "The unjustice rankled
        her"; "his resentment festered" [syn: {eat into}, {fret},
        {rankle}]
     3: reduce to small shreds or pulverize by rubbing against a
        rough or sharp perforated surface; "grate carrots and
        onions"; "grate nutmeg"
     4: make a grating or grinding sound by rubbing together; "grate
        one's teeth in anger" [syn: {grind}]
     5: scratch repeatedly; "The cat scraped at the armchair" [syn:
        {scrape}]
Source: WordNet® 2.0