Found 2 items, similar to hardtack.
English → English (WordNet) Definition: hardtack hardtack n 1: very hard unsalted biscuit or bread; a former ship's staple [syn: pilot biscuit, pilot bread, sea biscuit, ship biscuit ] 2: a mountain mahogany
English → English (gcide) Definition: Hardtack Hardtack \Hard"tack`\ or Hard-tack \Hard"-tack`\(h[aum]rd"t[a^]k`), n. 1. A name given by soldiers and sailors to a kind of unleavened hard biscuit or sea bread. Called also pilot biscuit , pilot bread, ship biscuit and ship bread [1913 Webster] 2. Any of several mahogany trees, esp. the Cercocarpus betuloides . --MW10 [PJC]