Related Clues:

• "Pipe down!"
• One of a finite pair?
• Cry hidden seven times elsewhere in this puzzle
• "Quiet!"
• Hush
• Theater request
• 'Quiet down!'
• Night sound?
• 'Zip it!'
• "Hush!"
• Librarian's plea
• Be silent
• 'Put a sock in it!'
• ''Pipe down!''
• Librarian's admonishment