oubliette
Longman Dictionary of Contemporary English 5++LDOCE 5++ou·bli·ette /ˌuːbliˈet/ noun [countable] SCJa small room in an old castle where prisoners were kept for a long time 〔古堡中长期关押囚犯的〕土牢，地牢
ou·bli·ette nounChineseSyllable
oubliette
ou‧bli‧ette /ˌuːbliˈet/
noun [countable]
a small room in an old castle where prisoners were kept for a long time
ou‧bli‧ette /ˌuːbliˈet/
noun [countable]a small room in an old castle where prisoners were kept for a long time