from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun A dark, often underground chamber used to confine prisoners.
  • noun A donjon.

from The Century Dictionary.

  • To confine in or as in a dungeon.
  • noun The principal tower of a medieval castle.
  • noun Hence A close cell; a deep, dark place of confinement.

from the GNU version of the Collaborative International Dictionary of English.

  • transitive verb To shut up in a dungeon.
  • noun A close, dark prison, commonly, under ground, as if the lower apartments of the donjon or keep of a castle, these being used as prisons.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun An underground prison or vault, typically built underneath a castle.
  • noun obsolete The main tower of a motte or castle; a keep or donjon.
  • noun games An underground area inhabited by enemies, containing story objectives, treasure and bosses.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun the main tower within the walls of a medieval castle or fortress
  • noun a dark cell (usually underground) where prisoners can be confined


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

[Middle English donjon, castle keep, dungeon, from Old French, keep, probably from Medieval Latin domniō, domniōn-, the lord's tower, from Latin dominus, master; see dem- in Indo-European roots.]

from Wiktionary, Creative Commons Attribution/Share-Alike License

From Middle English dungeon, dungeoun, dungun ("castle keep, prison cell below the castle, dungeon"), from Old French donjon ("castle keep"), from Frankish *dungjo (“prison, dungeon, underground cellar”), from Proto-Germanic *dungijō, *dungijōn (“enclosed space, vault, bower, treasury”), from Proto-Germanic *dungaz, *dungō (“dung, manure”), from Proto-Indo-European *dʰengʰ- (“to cover”). Cognate with Old English dung ("prison, dungeon"), Old Saxon dung ("underground cellar"), Old High German tung ("underground cellar"; > German Tunk ("manure or soil covered basement, underground weaving workshop")), Old Norse dyngja ("a detached apartment, a lady's bower"; > Icelandic dyngja ("chamber")). More at dung.


The word dungeon has been adopted by d6.

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  • I think WeirdNet means the keep.

    May 24, 2009