grate
n 1: a frame of iron bars to hold a fire [syn: {grating}]
2: a barrier that has parallel or crossed bars blocking a
passage but admitting air [syn: {grating}]
v 1: gnaw into; make resentful or angry [syn: {eat into}, {fret},
{rankle}]
2: make a grating or grinding sound by rubbing together; "grate
one's teeth in anger" [syn: {grind}]
3: scratch repeatedly [syn: {scrape}]