prie-dieuPronunciation: /priːˈdjəː/Definition of prie-dieu noun (plural prie-dieux pronunc. same) a piece of furniture for use during prayer, consisting of a kneeling surface and a narrow upright front with a rest for the elbows or for books. Origin: mid 18th century: French, literally 'pray God'prie-dieu in other Oxford dictionaries Definition of prie-dieu in the US English dictionary