Lockbox

noun

Definitions

Noun
  1. 1
    A box with a built-in lock; usually, a portable one.

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

  2. 2
    a fireproof metal strongbox (usually in a bank) for storing valuables wordnet

Etymology

From lock + box.

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