Definition of Bastille in US English:

Bastille

proper noun

  • A fortress in Paris built in the 14th century and used in the 17th–18th centuries as a state prison. Its storming by the mob on July 14, 1789, marked the start of the French Revolution.

Origin

Via Old French from Provençal bastida, from bastir ‘build’.

Pronunciation

Bastille

/baˈstēl/