'strongbox' definitions:

Definition of 'strongbox'

From: WordNet
noun
A strongly made box for holding money or valuables; can be locked [syn: strongbox, deedbox]

Definition of 'strongbox'

From: GCIDE
  • strongbox \strong"box`\, n. A box of rigid and durable construction fitted with a lock, used for the purpose of protecting valuable items, such as jewelry or money.
  • Syn: lockbox. [PJC]