grating [ˈɡɹeɪ̯ɾɪŋ]noun 6adjective 2forms 1 noun6 •A barrier that has parallel or crossed bars blocking a passage but admitting air. •A frame of iron bars to hold a fire. •[in the plural] The strong wooden lattice used to cover a hatch, admitting light and air; also, a movable lattice used for the flooring of boats. •The sound made by something that grates against something else. •The loose material that comes from something being grated.Add a few gratings of nutmeg to the hot milk. •An optical system of close equidistant and parallel lines or bars, especially lines ruled on a polished surface, used for producing spectra by diffraction. adjective2 •Harsh and unpleasant. •Annoying; tending to annoy. formsgratings
