ite, missa est EE-tay MEE-sah est Your browser does not support the audio element. [ Latin , go, mass is (ended) ] Definition The dismissal from the Mass, sung by the priest at the conclusion of the service. This phrase gave the name "Missa", or "Mass" to the entire service. Share Share on Facebook (opens in a new tab) Share on X (opens in a new tab) Last Updated: 2013-02-14 19:12:58