shutter

definition: a hinged blind for a window
example:
speech part: noun
synonyms:
definition: a mechanical device on a camera that opens and closes to control the time of a photographic exposure
example:
speech part: noun
synonyms:
definition: close with shutters
example: We shuttered the window to keep the house cool
speech part: verb
synonyms:

shutter is explained and pronounced

How shutter is being used?