Related Clues:

• Turning part
• Whirlybird's prop
• __ cuff: shoulder part
• Armature of a motor or generator
• Autogiro feature
• Disk brake's disk
• Revolving part
• Disc brake's disc
• Wankel engine component
• Palindromic turner
• Copter spinner
• Spinner on a helicopter
• __ cuff: pitching injury site
• Engine turner
• Centrifuge part