Definitions
1.nounOne who shuts or closes something.
2.noun(usually in the plural) Protective panels, usually wooden, placed over windows to block out the light.
3.nounThe part of a camera, normally closed, that opens for a controlled period of time to let light in when taking a picture.
4.verbTo close shutters covering."Shutter the windows: there's a storm coming!"
5.verbTo close up (a building) for a prolonged period of inoccupancy."It took all day to shutter the cabin now that the season has ended."
6.verbTo cancel or terminate."The US is seeking to get Iran to shutter its nuclear weapons program."