Crosswords Solver

Answer: gratings
Answer	Crossword Clue
GRATINGS	Grilles, e.g.
GRATINGS	Subway vent covers.
gratings	GRATING, a network of bars covering an opening

gratings	A set of equally spaced parallel wires, or a surface ruled with equally spaced parallel lines, used to produce spectra by diffraction
gratings	A framework of parallel or crossed bars, typically preventing access through an opening while permitting communication or ventilation

Crossword

a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.

Answer: gratings