hardtack

Primary Meanings of hardtack

1.
n
very hard unsalted biscuit or bread; a former ship's staple
2.
n
a mountain mahogany
Full Definitions of hardtack
1

n very hard unsalted biscuit or bread; a former ship's staple

Synonyms:
pilot biscuit, pilot bread, sea biscuit, ship biscuit
Type of:
biscuit
small round bread leavened with baking-powder or soda
2

n a mountain mahogany

Type of:
mahogany, mahogany tree
any of various tropical timber trees of the family Meliaceae especially the genus Swietinia valued for their hard yellowish- to reddish-brown wood that is readily worked and takes a high polish

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