What is the meaning of Shutter?

One who shuts or closes something.

Protective panels, usually wooden, placed over windows to block out the light.

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.

To close shutters covering.

To close up (a building) for a prolonged period of inoccupancy.

To cancel or terminate.

To rain heavily.

a glass or acrylic slat, a window pane of a jalousie window or louvered window

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)

Source: wiktionary.org