means simply a building (French, bastir, now bâtir,
to build). Charles V. built it as a royal château; Philippe-Auguste
enclosed it with a high wall; St. Louis administered justice in the
park, under the oak-trees; Philippe de Valois demolished the old
château and commenced a new one; Louis XI. first used it as a state
prison; and it was demolished by the rabble in the French Revolution,
July 14th, 1789.
Source: Dictionary of Phrase and Fable, E. Cobham Brewer, 1894