noun
- the plain song or cantus firmus used in the ritual of the Roman Catholic Church.
- a melody in this style.
noun
- another name for plainsong
The traditional music for Latin texts in the worship of the Roman Catholic Church. Gregorian chant is marked by performance in unison and by free-flowing rhythms that follow the phrasing of the text. The chants often call for one syllable to be sung across several notes.