'Grating' definitions:

Definition of 'grating'

From: WordNet
adjective
Unpleasantly harsh or grating in sound; "a gravelly voice" [syn: grating, gravelly, rasping, raspy, rough, scratchy]
noun
A barrier that has parallel or crossed bars blocking a passage but admitting air [syn: grate, grating]
noun
A frame of iron bars to hold a fire [syn: grate, grating]
noun
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 [syn: diffraction grating, grating]

Definition of 'Grating'

From: GCIDE
  • Grate \Grate\, v. t. [imp. & p. p. Grated; p. pr. & vb. n. Grating.] To furnish with grates; to protect with a grating or crossbars; as, to grate a window. [1913 Webster]

Definition of 'Grating'

From: GCIDE
  • Grating \Grat"ing\, n. [See 2d Grate.]
  • 1. A partition, covering, or frame of parallel or cross bars; a latticework resembling a window grate; as, the grating of a prison or convent. [1913 Webster]
  • 2. (Optics) A system of close equidistant parallel lines or bars, esp. lines ruled on a polished surface, used for producing spectra by diffraction; -- called also diffraction grating.
  • Note: Gratings have been made with over 40,000 such lines to the inch, but those with a somewhat smaller number give the best definition. They are used, e. g., to produce monochromatic light for use in optical instruments such as spectrophotometers. [Webster 1913 Suppl.]
  • 3. pl. (Naut.) The strong wooden lattice used to cover a hatch, admitting light and air; also, a movable Lattice used for the flooring of boats. [1913 Webster]

Definition of 'Grating'

From: GCIDE
  • Grating \Grat"ing\, a. [See Grate to rub harshy.] That grates; making a harsh sound; harsh. -- {Grat"ing*ly}, adv. [1913 Webster]

Definition of 'Grating'

From: GCIDE
  • Grating \Grat"ing\, n. A harsh sound caused by attrition. [1913 Webster]

Synonyms of 'grating'

From: Moby Thesaurus