Related Clues:

• Bring to a halt
• Appurtenance for Santa
• Plumber's duct
• 'Knock it off!'
• Block (up)
• King Cole's request
• 'Hold everything!'
• 'Halt!'
• Hookah, e.g.
• Direction at many a corner
• Thin paper
• ''Cool it!''
• Telegram punctuation word
• Go no further
• Octagonal order