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Hardtack
noun
Definitions
Noun
- 1 A large, hard biscuit made from unleavened flour and water; formerly used as a long-term staple food aboard ships. countable, uncountable
"Meronym: reefer's nut"
- 2 very hard unsalted biscuit or bread; a former ship's staple wordnet
- 3 a mountain mahogany wordnet
Etymology
From hard + tack.
See also for "hardtack"
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