Blockader abandons bad cupboard (6)

I believe the answer is:

locker

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

'blockader abandons bad' is the wordplay.
'abandons' suggests deleting specific letters.
'blockader' with 'bad' taken out is 'LOCKER'.

(Other definitions for locker that I've seen before include "key" , "Chest on board ship" , "Storage unit for personal possessions" , "Storage compartment" , "Small securable cupboard" .)

I've seen this clue in The Irish Times.

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