Pronunciation: (skī'līt"), [key]
1. an opening in a roof or ceiling, fitted with glass, for admitting daylight.
2. the frame set with glass fitted to such an opening.
3. Meteorol.the diffuse light from the sky, scattered by air molecules, as distinguished from the direct radiation from the sun.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.