Shutter(n.) One who shuts or closes.
Shutter(n.) A movable cover or screen for a window, designed to shut out the light, to obstruct the view, or to be of some strength as a defense; a blind.
Shutter(n.) A removable cover, or a gate, for closing an aperture of any kind, as for closing the passageway for molten iron from a ladle.
Shuttered(a.) Furnished with shutters.

Words within shutter