au revoir - definition of au revoir by The Free Dictionary
au re·voir (ō′ rə-vwär′) interj. Used to express farewell. [French : au, till the + revoir, seeing again.] au revoir (o rəvwar) sentence substitute 1. goodbye [literally: to the seeing again] au re•voir (oʊ rəˈvwar; Eng. ˌoʊ rəˈvwɑr) interj. French. until...