Definition of 'grating'
See also: grate
- a barrier that has parallel or crossed bars blocking a passage but admitting air
- a frame of iron bars to hold a fire
- optical device consisting of a surface with many parallel grooves in it; disperses a beam of light (or other electromagnetic radiation) into its wavelengths to produce its spectrum
Synonyms: diffraction grating
- unpleasantly harsh or grating in sound; "a gravelly voice"
Synonyms: gravel gravelly rasping raspy rough scratchy