Meaning of the word hardtack in English

What does hardtack mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

hardtack

US /ˈhɑːrd.tæk/
UK /ˈhɑːd.tæk/
"hardtack" picture

Noun

a simple type of cracker or biscuit, made from flour, water, and sometimes salt, traditionally used for sustenance on long sea voyages and military campaigns due to its durability and long shelf life

Example:
Sailors often relied on hardtack to survive long journeys at sea.
The soldiers carried hardtack as part of their rations during the war.