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grate
ɡrāt/
verb
1.
reduce (something, especially food) to small shreds by rubbing it on a grater.
“peel and roughly grate the carrots”
synonyms: shred, pulverize, mince, grind, granulate, crush, crumble
“she grated the cheese”
2.
make an unpleasant rasping sound.
“the hinges of the door grated”
synonyms: grind, rub, rasp, scrape, jar, grit, creak
“her bones grated together”