1. lockbox

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


  • safe-deposit box
  • safety deposit box
  • safe-deposit
  • deposit box
  • deedbox
  • safety-deposit


  • box (English)
  • box (Old English (ca. 450-1100))
  • lock (English)
  • locc (Old English (ca. 450-1100))

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Example sentences of the word lockbox

1. Noun, singular or mass
If the lockbox is on something that cannot be taken apart, you can cut the lock off with a reciprocating saw.

2. Adjective
Real estate tax collectors also utilize lockbox payments by having the checks mailed to a post office box.