Reversible aircraft part? (5)

I believe the answer is:

rotor

This clue is a double definition.

'reversible' is the first definition.

'aircraft part?' is the second definition.
(I know that Rotor is a type of aircraft part)

(Other definitions for rotor that I've seen before include "US state South of L. Erie" , "I go round" , "part of chopper" , "Turning motor part" , "Device to propel a helicopter" .)

I've seen this clue in The Mirror.

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