Chuck out defective item without opening (5)

I believe the answer is:

eject

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'chuck out' is the definition.
(synonyms)

I cannot understand how the rest of the clue works.

(Other definitions for eject that I've seen before include "DVD player button" , "exile" , "Throw out (e.g. of plane)" , "Turf out" , "Spit out" .)

I've seen this clue in The Times.

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