<p><strong>Noun</strong></p><ul><li>a solid or louvered movable cover for a window.</li><li>a movable cover, slide, etc., for an opening.</li><li>a person or thing that shuts.</li><li>a mechanical device for opening and closing the aperture of a camera lens to expose film or the like.</li></ul><p><strong>Verb (used with object)</strong></p><ul><li>to close or provide with shutters: She shuttered the windows.</li><li>to close (a store or business operations) for the day or permanently.</li></ul><p><strong>Verb (used without object)</strong></p><ul><li>to close or close down: The factory has shuttered temporarily.</li></ul>