Related Clues:

• Travels in circular path like planet
• Goes around like paths of planets
• Portions of a circle
• Parts of a circle
• Segments of a circle
• Do they get around to smashing the cars?
• Courses, or parts thereof
• Of course they're round
• Where they're going around with the alternative pieces
• They're just a bit round here
• They get around to making one of them sound like 3 down
• The alternative to pieces, as a matter of course
• 9 across has one of them - or pieces of them
• One goes around in them, or perhaps not wholly so
• One gets around them, or parts of them (6)