shutter
🇺🇸
/ˈʃʌtər/
🇬🇧
/ˈʃʌtə(r)/
A cover for a window that can be closed to block light or protect the window.
They closed the wooden shutter to keep the bright sun out of the room.
The part of a camera that opens to let light in when taking a photo.
The camera shutter opens quickly to capture the image.