"grating" in the noun sense
1. grate, grating
a barrier that has parallel or crossed bars blocking a passage but admitting air
2. grate, grating
a frame of iron bars to hold a fire
3. diffraction grating, grating
optical device consisting of a surface with many parallel grooves in it disperses a beam of light (or other electromagnetic radiation) into its wavelengths to produce its spectrum
"grating" in the verb sense
furnish with a grate
"a grated fireplace"
2. eat into, fret, rankle, grate
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"
4. grate, grind
make a grating or grinding sound by rubbing together
"grate one's teeth in anger"
5. scrape, grate
"The cat scraped at the armchair"
"grating" in the adjective sense
1. grating, gravelly, rasping, raspy, rough, scratchy
unpleasantly harsh or grating in sound
"a gravelly voice"
Source: WordNet® (An amazing lexical database of English)
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