Related Clues:

• Part of a circle
• Parenthesis shape
• It may be heard before an accident
• It's measured in minutes
• Traffic sound
• Powder holder
• Missile's trajectory
• Swing's path
• Game ender, perhaps
• Crescent shape
• Jump shot's path
• Unicorn feature, e.g.
• Trumpet or cornet
• Soap opera story line
• Joan of --