from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. A prison; a jail.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A castle tower, or fortified building; a small citadel or fortress.
  • n. A prison or jail.


French, from Old French, fortress, alteration of bastide, from Old Provençal bastida, from bastir, to build, of Germanic origin.
(American Heritage® Dictionary of the English Language, Fourth Edition)
From Middle French bastille, from Late Latin bastilia, plural of bastile, from bastire ("to build"). (Wiktionary)


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