gratings
Pronunciation:
/ˈɡɹeɪtɪŋz/noun
Definitions
A barrier that has parallel or crossed bars blocking a passage but admitting air.
A frame of iron bars to hold a fire.
The loose material that comes from something being grated.
Example: 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.