1) Sun blocker, of sorts 
A window blind is a type of window covering. There are many different kinds of window blinds which use a variety of control systems. A typical window blind is made up of several long horizontal or vertical slats of various types of fabric, wood, plastic or metal which are held together by cords that run through the blind slats. Window blinds can b...
[n] - a blind for privacy or to keep out light
noun a blind for privacy or to keep out light