(photography) The part of a camera, normally closed, that opens for a controlled period of time to let light in when taking a picture.
Any other opening and closing device.
1950 June, “New Restaurant and Buffet Cars, G.N.R.(I.)”, in Railway Magazine, pages 415, 416:
A service hatch with sliding shutter is situated at the end of the kitchen next to the dining compartment. […] A shutter, in three parts, is fitted, which when lowered completely encloses the bar.
The US is seeking to get Iran to shutter its nuclear weapons program.
December 15 2022, Samanth Subramanian, “Dismantling Sellafield: the epic task of shutting down a nuclear site”, in The Guardian:
It has been a dithery decade for nuclear policy. After the 2011 disaster at the Fukushima nuclear plant in Japan, several countries began shuttering their reactors and tearing up plans for new ones.
2015, Henry Bial, Playing God: The Bible on the Broadway Stage, page 3:
After some additional legal wrangling, Morse, exhausted and out of money, withdrew his remaining appeals and shuttered the production in April 1883.
(Suriname,chieflyin the plural) a jalousie window, a louvered window (a window consisting of parallel glass or acrylic slats that can be opened and closed by tilting them simultaneously using a crank or lever)