D defs.my
Entry 2 senses Webster, 1913

Bastile

/(bȧs*tēl" [or] bȧs"tē̇l; 277)/ · Bas·tile · IPA
01 n. A tower or an elevated work, used for the defense, or in the siege, of a fortified place.
  1. 1.
    A tower or an elevated work, used for the defense, or in the siege, of a fortified place.(Feud. Fort.)
    “The high bastiles . . . which overtopped the walls.” Holland.
  2. 2.
    “The Bastille”, formerly a castle or fortress in Paris, used as a prison, especially for political offenders; hence, a rhetorical name for a prison.