lockbox

 

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lockbox

Wikipedia

 

From lock +‎ box.

lockbox (plural lockboxes)

1. A box with a built-in lock; a safe.
   • 2009 January 13, M. R. Kropko, “Video-game addiction rejected as defence”, in Toronto Star‎^[1]:

     Petric used his father's key to open a lockbox and remove a 9mm handgun and the game.

• boxlock