grate

(grāt)

1. To reduce to fragments, shreds, or powder by rubbing against an abrasive surface.
2. To cause to make a harsh grinding or rasping sound through friction: grated her teeth in anger.
3. To irritate or annoy persistently.
4. Archaic To rub or wear away.

1. To make a harsh rasping sound by or as if by scraping or grinding.
2. To cause irritation or annoyance: a noise that grates on one's nerves.

(grāt)

1. A framework of parallel or latticed bars for blocking an opening.
2. A framework of metal bars used to hold fuel or food in a stove, furnace, or fireplace.
3. A fireplace.
4. A perforated iron plate or screen for sieving and grading crushed ore.