Result from Foreign Dictionaries (2 entries found)
From The Collaborative International Dictionary of English v.0.48 [gcide]:
Priedieu \Prie`dieu"\, n. [F., literally, pray God.]
A kneeling desk for prayers.
[1913 Webster]
From WordNet (r) 3.0 (2006) [wn]:
prie-dieu
n 1: low bench for kneeling on