Related Clues:

• Revolving part of a machine, a palindrome
• Part of machine that turns
• It has a cutting edge
• Turning part of machine - a palindrome
• Mechanical part that revolves, an acronym
• Runner on an ice-skate
• The machine part moves in a circle
• Oar part
• It's nonsense or it's goinground either way
• Either way it's nonsense or a roundabout
• Either way one is a revolutionary
• All the same, it's to and fro and round and round
• It goes round and round and up and down
• That's bad, or gets around either way
• One might go around by helicopter