Nick jacket from space explorer (3)

I believe the answer is:

rob

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'nick' is the definition.
(both can mean to steal)

I cannot understand how the remainder of the clue works.

(Other definitions for rob that I've seen before include "Mug, say" , "sack" , "Take something without the owner's consent" , "Take without consent from the owner" , "Nick" .)

I've seen this clue in the Sydney Morning Herald.

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