Dun"geon (?), n. [OE. donjoun highest tower of a castle, tower, prison, F. donjon tower or platform in the midst of a castle, turret, or closet on the top of a house, a keep of a castle, LL. domnio, the same word as LL. dominus lord. See Dame, Don, and cf. Dominion, Domain, Demesne, Danger, Donjon.]
A close, dark prison, common, under ground, as if the lower apartments of the donjon or keep of a castle, these being used as prisons.
Down with him even into the deep dungeon.
Tyndale.
Year after year he lay patiently in a dungeon.
Macaulay.
© Webster 1913.
Dun"geon, v. t.
To shut up in a dungeon.
Bp. Hall.
© Webster 1913.