shutter (shutters plural )
1 n-count The shutter in a camera is the part which opens to allow light through the lens when a photograph is taken.
There are a few things you should check before pressing the shutter release.
2 n-count Shutters are wooden or metal covers fitted on the outside of a window. They can be opened to let in the light, or closed to keep out the sun or the cold.
usu pl
She opened the shutters and gazed out over village roofs.