a l'unisson Your browser does not support the audio element. [ French , in unison ] Definition The French term for unison (i.e. to perform in unison). See Also [English] unison [German] im Einklang (m) [Italian] all' unisono (m) Share Share on Facebook (opens in a new tab) Share on X (opens in a new tab) Last Updated: 2016-04-28 14:06:52