Related Clues:

• Horseshoe shape
• Middling grade
• Second consonant
• Superman symbol
• It goes this way and that
• Curvy road shape
• Lead-in to the tee?
• Bee chaser
• Tee's predecessor
• Bee follower
• You can't have support without it
• Self starter
• Relative of -trix
• Curved line
• Curvaceous character?