Webster 1913 Edition
[See 2d Grate.]
A partition, covering, or frame of parallel or cross bars; a latticework resembling a window grate;
gratingof a prison or convent
The strong wooden lattice used to cover a hatch, admitting light and air; also, a movable Lattice used for the flooring of boats.
Grateto rub harshy.]
That grates; making a harsh sound; harsh.–
A harsh sound caused by attrition.
Webster 1828 Edition
1.Fretting; irritating; harsh; as grating sounds, or a grating reflection.