A national redoubt is an area to which the remnant forces of a nation can be withdrawn if the main battle has been lost, or beforehand if defeat is considered inevitable.

Based on its spelling, you might think that redoubt shares its origin with words such as doubt and redoubtable, both of which come from the Latin verb dubitare, meaning "to be in doubt."

REDOUBT definition: 1. something that holds or defends a belief or a way of life, especially one that is disappearing…. Learn more.

REDOUBT definition: See examples of redoubt used in a sentence.

4 days ago · Noun redoubt (plural redoubts) A small, temporary, military fortification. A reinforced refuge; a fort. A place of safety or refuge.

There are five meanings listed in OED's entry for the noun redoubt, one of which is labelled obsolete. See ‘Meaning & use’ for definitions, usage, and quotation evidence.

A redoubt is a place or situation in which someone feels safe because they know that nobody can attack them or spoil their peace.