Word Study
au revoir
WORDNET DICTIONARY
Noun au revoir has 1 sense
- au revoir(n = noun.communication) adieu, adios, arrivederci, auf wiedersehen, bye, bye-bye, cheerio, good day, good-by, good-bye, goodby, goodbye, sayonara, so long - a farewell remark; "they said their good-byes" is a kind of farewell, word of farewell
CIDE DICTIONARY
au revoir, [F., lit., to the seeing again.].
Good-by until we meet again. [Webster 1913 Suppl.]
For further exploring for "au revoir" in Webster Dictionary Online