Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun sea_biscuit

1 sense of sea biscuit

Sense 1
hardtack, pilot biscuit, pilot bread, sea biscuit, ship biscuit -- (very hard unsalted biscuit or bread; a former ship's staple)
       => biscuit -- (small round bread leavened with baking-powder or soda)