shutter

One who shuts or closes something.

(usually in the plural) Protective panels, usually wooden, placed over windows to block out the light.

The part of a camera, normally closed, that opens for a controlled period of time to let light in when taking a picture.

To close shutters covering.

“Shutter the windows: there's a storm coming!”

To close up (a building) for a prolonged period of inoccupancy.

“It took all day to shutter the cabin now that the season has ended.”

To cancel or terminate.

“The US is seeking to get Iran to shutter its nuclear weapons program.”