Noun
(Roman Catholic Church) a liturgical chant consisting of a single, unaccompanied melodic line
Source: WordNetHe wrote extensively on proportions in music, and on the three different subjective levels on which plainchant could work on the human soul: purging of the impure; illumination leading to contemplation; and nourishing perfection through contemplation. Source: Internet
Music history main main There are two plainchant settings of the Pange lingua hymn. Source: Internet