an opening in a roof or ceiling, fitted with glass, for admitting daylight.
the frame set with glass fitted to such an opening.
Meteorology. the diffuse light from the sky, scattered by air molecules, as distinguished from the direct radiation from the sun.

Origin of skylight

First recorded in 1670–80; sky + light1 Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for skylight

Contemporary Examples of skylight

Historical Examples of skylight

  • I had an upper room prepared with a skylight and all other appliances.

  • Cal'late the whale had ventilators and a skylight in his main deck?


    Joseph C. Lincoln

  • At that instant Drayton's eyes were riveted on the skylight with an affrighted stare.

    A Son of Hagar

    Sir Hall Caine

  • As she spoke, the first drops of a cold sleet rattled on the skylight.

    Audrey Craven

    May Sinclair

  • The lamp in the after skylight was kept burning through the night.


    Joseph Conrad

British Dictionary definitions for skylight



a window placed in a roof or ceiling to admit daylightAlso called: fanlight
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for skylight

1670s, "light from the sky," from sky (n.) + light (n.). Meaning "small opening in a roof to admit light" is recorded from 1680s. Related: Sky-lit.

Online Etymology Dictionary, © 2010 Douglas Harper