Definition of 'grating'

You searched for gratings

Noun

1. a barrier that has parallel or crossed bars blocking a passage but admitting air
      Synonyms: grate
2. a frame of iron bars to hold a fire
      Synonyms: grate
3. 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

Adjective

1. unpleasantly harsh or grating in sound; "a gravelly voice"
      Synonyms: gravel gravelly rasping raspy rough scratchy

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