grating
grat|ing /gr'eɪtɪŋ/ (gratings)
1 [N-COUNT]
A grating is a flat metal frame with rows of bars across it, which is fastened over a window or over a hole in a wall or the ground.
...an open grating in the sidewalk.
2 [ADJ] usu ADJ n
A grating sound is harsh and unpleasant.
She recognized the grating voice of Dr. Sarnoff.
1 [N-COUNT]
A grating is a flat metal frame with rows of bars across it, which is fastened over a window or over a hole in a wall or the ground.
...an open grating in the sidewalk.
2 [ADJ] usu ADJ n
A grating sound is harsh and unpleasant.
She recognized the grating voice of Dr. Sarnoff.