plural shutters
1
: one of a pair of outside covers for a window that open and close like a door
—usually plural
She opened the shutters.
2
: the part of a camera that opens to allow light in when a picture is taken
shutters; shuttered; shuttering
US
1
: to cover (a window) with shutters
They locked the doors and shuttered the windows.
2
: to close (a business, store, etc.) for a period of time or forever
They declared bankruptcy and shuttered the store.
Cite this Entry
“Shutter.” Merriam-Webster.com Simple Definition, Merriam-Webster, https://www.merriam-webster.com/simple/shutter. Accessed 22 Jun. 2026.
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