a grating habit
grating
/ˈgrā-tiŋ/
noun
a wooden or metal lattice used to close or floor an opening
a partition, covering, or frame of parallel bars or crossbars
a system of close equidistant and parallel lines or bars ruled on a polished surface to produce spectra by diffraction
adjective
causing irritation or annoyance; often : having a harsh or unpleasant sound
verb
to furnish with a grate
the lower windows were grated