Meaning of GRATING in English

GRATING

1. adj.1 sounding harsh or discordant (a grating laugh).

2 having an irritating effect.

Derivatives:

gratingly adv.2. n.1 a framework of parallel or crossed metal bars.

2 Optics a set of parallel wires, lines ruled on glass, etc., for producing spectra by diffraction.

Oxford English vocab.      Оксфордский английский словарь.