skylight

• POS: Noun
• HYPHEN: sky=light

CIDE DICTIONARY

skylight, n. 

 A window placed in the roof of a building, in the ceiling of a room, or in the deck of a ship, for the admission of light from above.  [1913 Webster]

OXFORD DICTIONARY

skylight, n. a window set in the plane of a roof or ceiling.

THESAURUS

skylight

afterglow, air glow, bay, bay window, bow window, candescence, casement, casement window, ceiling, eaves, fan window, fanlight, flush, gleam, glint, gloss, glow, grille, housetop, incandescence, lancet window, lantern, lattice, light, louver window, luster, oriel, overhead, pane, penthouse, picture window, plafond, port, porthole, ridgepole, roof, roof garden, roof-deck, roofage, roofing, roofpole, rooftop, rooftree, rose window, sheen, shine, shingles, shininess, shining light, slates, sunset glow, tiles, top, transom, wicket, window, window bay, window glass, windowpane