skylight

  1. Noun.  A window, dome, or opening in the roof or ceiling, to admit natural light.
  2. Noun.  Diffuse sky radiationsolar radiation reaching the earth's surface after having been scattered from the direct solar beam by molecules or suspensoids in the atmosphere.

This is an unmodified, but possibly outdated, definition from Wiktionary and used here under the Creative Commons license. Wiktionary is a great resource. If you like it too, please donate to Wikimedia.

This entry was last updated on RefTopia from its source on 3/20/2012.