noun ou·bli·ette \ˌü-blē-ˈet\

Definition of oubliette

  1. :  a dungeon with an opening only at the top

Origin and Etymology of oubliette

French, from Medieval French, from oublier to forget, from Old French oblier, from Vulgar Latin *oblitare, frequentative of Latin oblivisci to forget — more at oblivion

First Known Use: 1777

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