Jisho

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Noun
1. cracker; hard biscuit; hardtack
Wikipedia definition
2. HardtackHardtack (or hard tack) is a simple type of cracker or biscuit, made from flour, water, and sometimes salt. Inexpensive and long-lasting, it was and is used for sustenance in the absence of perishable foods, commonly during long sea voyages and military campaigns. The name derives from the British sailor slang for food, "tack".
Read “Hardtack” on English Wikipedia
Read “乾パン” on Japanese Wikipedia
Read “Hardtack” on DBpedia

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