1. • noun - a frame of iron bars to hold a fire
   • noun - a harsh rasping sound made by scraping something
   • noun - a barrier that has parallel or crossed bars blocking a passage but admitting air
   • verb - furnish with a grate
   • verb - gnaw into
   • verb - reduce to small shreds or pulverize by rubbing against a rough or sharp perforated surface
   • verb - make a grating or grinding sound by rubbing together
   • verb - scratch repeatedly
2. • To reduce to fragments, shreds, or powder by rubbing against an abrasive surface.
   • To cause to make a harsh grinding or rasping sound through friction: grated her teeth in anger.
   • To irritate or annoy persistently.
   • To rub or wear away.
   • To make a harsh rasping sound by or as if by scraping or grinding.
   • A harsh rasping sound made by scraping or rubbing: the grate of a key in a lock.
   • A framework of parallel or latticed bars for blocking an opening.
   • A framework of metal bars used to hold fuel or food in a stove, furnace, or fireplace.
   • A fireplace.
   • A perforated iron plate or screen for sieving and grading crushed ore.
3. • v - to reduce to shreds by rubbing

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