Bastion today usually refers to a metaphorical fortress, a place where an idea, ethos, philosophy, culture, etc. is in some way protected and able to endure. But its oldest meaning concerned …

BASTION definition: 1. something that keeps or defends a belief or a way of life that is disappearing or threatened…. Learn more.

BASTION definition: a projecting portion of a rampart or fortification that forms an irregular pentagon attached at the base to the main work. See examples of bastion used in a sentence.

If a system or organization is described as a bastion of a particular way of life, it is seen as being important and effective in defending that way of life. Bastion can be used both when you think …

Definition of bastion noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

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

bas•tion (ˈbæs tʃən) n. 1. a projecting portion of a rampart or fortification that forms an irregular pentagon attached at the base to the main work. 2. a fortified place. 3. anything seen as …

A bastion is a stronghold or fortification that remains intact. French Independence Day, or Bastille Day (July 14), commemorates the storming in 1789 of the French king's prison/fort, the …

Dec 14, 2025 · bastion (plural bastions) (architecture) A projecting part of a rampart or other fortification. quotations

bastion meaning, definition, what is bastion: something that protects a way of life, p...: Learn more.