Bible Dictionaries
Oubliette

Webster's Dictionary

(n.) A dungeon with an opening only at the top, found in some old castles and other strongholds, into which persons condemned to perpetual imprisonment, or to perish secretly, were thrust, or lured to fall.

Bibliography Information
Webster, Noah. Entry for 'Oubliette'. Noah Webster's American Dictionary. https://www.studylight.org/​dictionaries/​eng/​web/​o/oubliette.html. 1828.