shutter shutter /ˈʃʌtɝ/

noun

1. () A hinged blind for a window  ( shutter )
   a hinged blind for a window
    The shutters on the windows were painted a pale blue color
   The shutters on the windows were painted a pale blue color
   
   
2. () A mechanical device on a camera that opens and closes to control the time of a photographic exposure  ( shutter )
   a mechanical device on a camera that opens and closes to control the time of a photographic exposure
     She closed the shutters to block out the sunlight.
   She closed the shutters to block out the sunlight.
   
   

verb

1. Close with shutters  ( shutter )
   close with shutters
    We shuttered the window to keep the house cool
   We shuttered the window to keep the house cool