Introit IN-troyt Your browser does not support the audio element. [ Latin ] Definition In the Roman Catholic Mass, it is the first item, the chant sung as the priest enters and approaches the altar. In the Anglican service, it is a short anthem, hymn, or psalm sung as the minister prepares to administer communion. Share Share on Facebook (opens in a new tab) Share on X (opens in a new tab) Last Updated: 2016-05-20 15:38:37