Harsh and unpleasant.
Abrasive; tending to annoy.
An optical system of close equidistant and parallel lines or bars, especially lines ruled on a polished surface, used for producing spectra by diffraction.
The strong wooden lattice used to cover a hatch, admitting light and air; also, a movable lattice used for the flooring of boats.
A barrier that has parallel or crossed bars blocking a passage but admitting air.
A frame of iron bars to hold a fire.
The sound made by something that grates against something else.
The loose material that comes from something being grated.
Giving relief.
Freeing from fear or anxiety.
Tending to soothe.
The act by which somebody is soothed.