- Each of a pair of hinged panels, often louvered, fixed inside or outside a window that can be closed for security or privacy or to keep out light
- (shutter) close with shutters; "We shuttered the window to keep the house cool"
- The blind enclosing the swell box in an organ, used for controlling the volume of sound
- (shutter) a hinged blind for a window
- A device that opens and closes to expose the film in a camera
- (shutter) a mechanical device on a camera that opens and closes to control the time of a photographic exposure