introit

the introductory chant of the mass, sung by the choir; it is proper (its text changes from day to day) and antiphonal. Its form is antiphon--psalm--antiphon--doxology--antiphon, though the antiphon between the psalm and doxology may be omitted. It is the only chant of the mass to use the lesser doxology.
Found on http://people.vanderbilt.edu/~cynthia.cyrus/ORB/orbgloss.htm

Introit

In┬Ětro'it noun [ Latin introitus , from introire to go into, to enter; intro within + ire to go: confer French introit .] 1. A going in. Caxton. 2. (R. C. Ch.) (a) A psalm sung or chanted immediately before the collect, epis...
Found on http://www.encyclo.co.uk/webster/I/89

introit

1. A going in. ... 2. A psalm sung or chanted immediately before the collect, epistle, and gospel, and while the priest is entering within the rails of the altar. A part of a psalm or other portion of Scripture read by the priest at Mass immediately after ascending to the altar. ... 3. An anthem or psalm sung before the Communion service. ... 4. An...
Found on http://www.mondofacto.com/facts/dictionary?introit

introit

noun a composition of vocal music that is appropriate for opening church services
Found on http://wordnetweb.princeton.edu/perl/webwn?s=introit

Introit

• (n.) An anthem or psalm sung before the Communion service. • (n.) A going in. • (n.) A psalm sung or chanted immediately before the collect, epistle, and gospel, and while the priest is entering within the rails of the altar. • (n.) A part of a psalm or other portion of Scripture read by the priest at Mass immediately after as...
Found on http://thinkexist.com/dictionary/meaning/introit/

Introit

(from the article `Gregorian chant`) The Proper of the mass is composed of texts that vary for each mass in order to bring out the significance of each feast or season. The Introit is a ...
Found on http://www.britannica.com/eb/a-z/i/35

Introit

An introit is a psalm or passage of Scripture sung or chanted while the priest proceeds to the altar to celebrate mass: since the 19th century the term has been used for any musical composition designed for opening a church service.
Found on http://www.probertencyclopaedia.com/browse/VI.HTM

Introit

The Introit (from Latin: introitus, `entrance`) is part of the opening of the liturgical celebration of the Eucharist for many Christian denominations. In its most complete version, it consists of an antiphon, psalm verse and Gloria Patri that is spoken or sung at the beginning of the celebration. It is part of the Proper of the liturgy; that is.....
Found on http://en.wikipedia.org/wiki/Introit

introit

psalm or hymn sung at beginning of church service
Found on http://phrontistery.info/i.html
No exact match found