abat-jour

Etymology
any contrivance or apparatus to admit light, or to throw it in a desired direction, as a lamp-shade

Noun

 * 1) A skylight, or any beveled aperture made in the wall of an apartment or in a roof, for the better admission of light from above.
 * 2) A sloping, box-like structure, flaring upward and open at the top, attached to a window on the outside, to prevent those within from seeing objects below, or for the purpose of directing light downward into the window.

Etymology
From.

Noun

 * 1) lampshade
 * 2)  eyeshade
 * 3)  skylight

Etymology
.

Noun

 * 1) lampshade
 * 2) a lamp with a lampshade,  a bedside lamp

Noun

 * 1)  blind

Etymology
From.