Definitions
1.NounChiefly in French contexts: a bastion (“projecting part of a rampart or other fortification”) or tower of a castle; also, a fortified tower or other building; or a small citadel or fortress.
2.NounA jail or prison, especially one regarded as mistreating its prisoners.
Synonym of workhouse (“an institution for homeless poor people funded by the local parish, where the able-bodied were required to work”).
3.NounA jail or prison, especially one regarded as mistreating its prisoners.
4.NounSynonym of workhouse (“an institution for homeless poor people funded by the local parish, where the able-bodied were required to work”).
5.NounThe fortified encampment of an army besieging a place; also, any of the buildings in such an encampment.
6.VerbTo confine (someone or something) in, or as if in, a bastille (noun sense 2.1) or prison; to imprison.