Crossword Genius

Hot-tempered person in an aeroplane (8)

Ross

I believe the answer is:

spitfire

'hot-tempered person' is the definition.
(I've seen this in another clue)

I don't understand how the rest of the clue works.

(Other definitions for spitfire that I've seen before include "Hot-tempered person or British plane in WW2" , "WW2 fighter aircraft" , "Fierce-tempered person" , "Wartime fighter aircraft" , "Famous WW2 fighter" .)

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