Struggle with marsupial caught for wife (6)

I believe the answer is:

combat

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'struggle' is the definition.
(I know that combat is a type of struggle)

I don't understand the remainder of the clue.

(Other definitions for combat that I've seen before include "type of jacket" , "Fight against; fighting" , "Battle, warfare" , "War; contest" , "Military action" .)

I've seen this clue in The Sun.

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