Bring up; or what you may bring up (4)

I believe the answer is:

rear

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'what you may bring up' is the definition.
(I've seen this before)

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

Can you help me to learn more?

(Other definitions for rear that I've seen before include "Raise; behind" , "Raise - back" , "what can be brought up, finally" , "Hind part" , "Jump" .)

I've seen this clue in The Globe and Mail.

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