Money container that boxers fight for (5)

I believe the answer is:

purse

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'money container' is the definition.
(I've seen this before)

I don't understand the rest of the clue.

(Other definitions for purse that I've seen before include "Contract, crease" , "Prize funds" , "Prize in sporting contest" , "Shakespeare 'Put money in thy . . . . .'" , "Handbag or money prize" .)

I've seen this clue in The Irish Independent.

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