Related Clues:
- Such as turns to and fro
- Aerofoil
- Helicopter vane
- Revolving machinery
- It goes round and around as well as up and down
- Either way it's essential to a helicopter
- Something going round either way
- Lifts a chopper up and down
- Keeper to a monarch in his prime
- Such as turns, going to and fro
- It can go round either way
- Revolutionary palindrome
- Part of a turbine
- Framework around which a sculpture is built
- Rubbish or Turner?