Related Clues:

• Discharge between two electrodes
• Welding phenomenon
• Sector boundary
• Story line
• Rainbow feature
• Pendulum path
• Parabolic portion
• L'___ de Triomphe
• Part of a circle
• Parenthesis shape
• It's measured in minutes
• When it's blue, it's fast
• Ripken's record, e.g.
• Missile's trajectory
• Swing's path