Meaning of GRATING in English

I. grat ‧ ing 1 /ˈɡreɪtɪŋ/ BrE AmE noun [countable]

a metal frame with bars across it, used to cover a window or hole:

Leaves clogged the grating over the drain.

II. grating 2 BrE AmE adjective

a grating sound is hard and unpleasant:

a harsh grating voice

—gratingly adverb

Longman Dictionary of Contemporary English.      Longman - Словарь современного английского языка.