v.
1 tr. reduce to small particles by rubbing on a serrated surface.
2 intr. (often foll. by against, on) rub with a harsh scraping sound.
3 tr. utter in a harsh tone.
4 intr. (often foll. by on) a sound harshly or discordantly. b have an irritating effect.
5 tr. grind (one's teeth).
6 intr. (of a hinge etc.) creak.
Etymology: ME f. OF grater ult. f. WG
2.
n.
1 the recess of a fireplace or furnace.
2 a metal frame confining fuel in a grate.
Etymology: ME, = grating f. OF ult. f. L cratis hurdle
Useful english dictionary. 2012.