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A large, hard biscuit made from unleavened flour and water; formerly used as a long-term staple food aboard ships.countableuncountable
- Meronym: reefer's nut
hardtack
'hɑ:dtæk3 senses · 195 ms
Level C2
A large, hard biscuit made from unleavened flour and water; formerly used as a long-term staple food aboard ships.countableuncountable