noun. a liturgical chant of the Roman Catholic Church.
- cantus firmus
- chant (English)
- chanter (Old French (842-ca. 1400))
- plain (English)
- plain (Old French (842-ca. 1400))
Example sentences of the word plainchant
1. Noun, singular or mass
Monastery chapels rang with the haunting refrains of plainchant as monks chanted the Divine Office, a cappella, from predawn to evening.