Related Clues:

• Like some windows
• How, perhaps, a call for silence may be said to have closed everything up
• It's said to be quiet when the window's closed over
• Quiet-spoken, like some windows
• Kept in dark, say, in hut
• No longer in business
• Closed with hinged covers
• Covered with a movable screen, a window perhaps
• Having the means to exclude light, say, in hut
• (Of windows) shut up
• Covered with a movable screen, as a window might be