What is the meaning of ship biscuit?

Very hard unsalted biscuit or bread; a former ship's staple.
- synonyms: hardtack, pilot biscuit, pilot bread, sea biscuit

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APA	WordNet. (2010). ship biscuit. Retrieved September 25, 2026, from http://smartdefine.org/ship_biscuit/definitions/1310336
Chicago	WordNet. 2010. "ship biscuit" http://smartdefine.org/ship_biscuit/definitions/1310336 (accessed September 25, 2026).
Harvard	WordNet 2010, ship biscuit, Smart Define, viewed 25 September, 2026, <http://smartdefine.org/ship_biscuit/definitions/1310336>.
MLA	WordNet. "ship biscuit" 23 October 2010. Web. 25 September 2026. <http://smartdefine.org/ship_biscuit/definitions/1310336>

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