Synonyms for window
noun
An architectural opening for light and air
skylight, porthole, bay window, bow window, picture window, oriel, casement, fenestration, dormer, embrasure, stained-glass, rose window, show window, bull's eye, fanlight, transom, peephole, oeil-de-boeuf, vitrail (both French).
That which fills a window
lattice, shutter, glass, pane, windowpane, stained glass.
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