Dancer Moira hot in scorcher (7)

I believe the answer is:

shearer

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'dancer moira' is the definition.
(I've seen this in another clue)

I can't explain the rest of the clue.

(Other definitions for shearer that I've seen before include "who was really on the ball?" , "He cuts the fleece from sheep" , "Alan - - , Newcastle striker" , "Sheep barber?" , "Wool cutter - ex-England footballer" .)

I've seen this clue in The Sun.

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