Definition of bastile:
(v) :
Obsolete spelling of bastille. [(transitive, also figuratively) To confine (someone or something) in, or as if in, a bastille (noun noun, sense 2.1) or prison; to imprison.]
(n) :
Obsolete spelling of bastille. [Chiefly 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.]
(n) :
Obsolete form of Bastille. [A former fortress and prison in Paris, France, the storming of which in 1789 began the French Revolution.]