Meaning of counterlight

coun•ter•light

Pronunciation: (v.koun"tur-līt'n.koun'tur-līt"), [key]
— v., n. -light•ed -lit, -light•ing,
—v.t.
  1. to light (an interior) with windows or lights on opposite sides.
  2. to light (an object) with a window or light directly opposite.
—n.
  1. a light or window that counterlights an interior or object. Cf. crosslight.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.