1each of a pair of hinged panels fixed inside or outside a window that can be closed for security or privacy or to keep out the light:he threw open the shutters to let in air and lightpainted wooden shutters
2 Photography a device that opens and closes to expose the film in a camera.
3 Music the blind enclosing the swell box in an organ, used for controlling the volume of sound.
close the shutters of (a window or building):the windows were shuttered against the afternoon heat (as adjective shuttered)barred and shuttered shops
chiefly North American close (a business):the city was gripped by economic forces that were squeezing its tax base and shuttering its factoriesan additional dozen stores will be shuttered when their leases expire next year
put up the shutters
British (of a business) cease trading for the day or permanently:the village Post Office put up the shutters for the last time