grating Meaning, Definition & Usage

noun a barrier that has parallel or crossed bars blocking a passage but admitting air
grate.
noun a frame of iron bars to hold a fire
grate.
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
diffraction grating.
verb furnish with a grate
grate.
- a grated fireplace
verb gnaw into; make resentful or angry
grate; fret; rankle; eat into.
- The injustice rankled her
- his resentment festered
verb reduce to small shreds or pulverize by rubbing against a rough or sharp perforated surface
grate.
- grate carrots and onions
- grate nutmeg
verb make a grating or grinding sound by rubbing together
grate; grind.
- grate one's teeth in anger
verb scratch repeatedly
grate; scrape.
- The cat scraped at the armchair
adjective satellite unpleasantly harsh or grating in sound
gravelly; raspy; rasping; rough; scratchy.
- a gravelly voice

See 2d Grate.

A partition, covering, or frame of parallel or cross bars; a latticework resembling a window grate; as, the grating of a prison or convent.
(Optics) A system of close equidistant and parallel lines lines or bars, especially lines ruled on a polished surface, used for producing spectra by diffraction; -- called also diffraction grating.
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.