Rideau.
ETYM Origin uncertain: cf. French auvent awing, or Pers. âwan, âwang, anything suspended, or LG. havening a place sheltered from wind and weather, Eng. haven.
A canopy made of canvas to shelter people or things from rain or sun; SYN. sunshade, sunblind.
ETYM Old Eng. shade, shadewe, schadewe, as. sceadu, scead; akin to os. skado, Dutch schaduw, Old High Germ. scato, (gen. scatewes), German schatten, Goth. skadus, Irish and Gael. sgath, and probably to Greek skotos darkness. Cf. Shadow, Shed a hat.
1. A quality of a given color that differs slightly from a primary color; SYN. tint, tincture, tone.
2. Relative darkness caused by light rays being intercepted by an opaque body; SYN. shadiness, shadowiness.
3. Something that protects from direct sunlight.
An opaque window blind that can cover or uncover a window.