A strongly made chest or sale for money, documents, or other valuables.

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1684.  Lond. Gaz., No. 1969/4. Lost out of the Dutchess of Portsmouth’s Lodgings … a little strong Box with several things in it.

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1712.  Arbuthnot, John Bull, II. iv. 16. She would rob her father’s strong Box, for Money to give the young Fellows that she was fond of.

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1741.  Richardson, Pamela (ed. 3), I. 196. I ask’d her for my Money; and she said it was above in her strong Box.

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1851.  D. Jerrold, St. Giles, xi. 105. Safe as his parchments in his strong-box.

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1871.  Longf., Wayside Inn, II. Student’s T., Cobbler of Hagenau, 108. A heavy strong-box … Received, with a melodious sound, The coin that purchased Paradise.

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  fig.  1856.  Emerson, Eng. Traits, xi. Aristocr., Wks. (Bohn), II. 83. These are they who make England that strongbox and museum it is.

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