16 down
Mixed
up
rotor
with
BP
engine
(9)
Mixed up rotor with BP engine (9)
hints
0
checks
0
hints
The definition is at the end of the clue.
How the clue works
Here engine is the definition, and "Mixed up" is the anagram signal telling us to jumble the letters of "up rotor" and "BP". Rearranging those nine letters gives TURBOPROP, a type of aircraft engine.