Related Clues:

• Octagonal traffic sign
• "Quiet!"
• Call a halt to
• "Freeze!"
• Never again
• 'Uncle!'
• Octagon inscription
• Octagonal sign
• Cry from a tickled person
• Words before Mr. Nice Guy
• Word on the street
• Telegram punctuation
• What to do if you see red
• Obey a red light
• Organ component