Related Clues:

• Grind to a halt
• Telegram "period"
• Tops a different way?
• "Stop it!"
• Octagonal traffic sign
• Call a halt to
• "Freeze!"
• 'Uncle!'
• Octagon inscription
• Octagonal sign
• Cry from a tickled person
• Word on the street
• Telegram punctuation
• What to do if you see red
• Obey a red light