Crossword clue: (roman catholic church) a liturgical chant consisting of a single, unaccompanied melodic line

The most common answer is plainchant (10 letters).

2 answers found in Letterora's clue database (Wikidata facts, Open Trivia DB, WordNet and Webster definitions — all licensed sources).

Possible answers

plainchant 10 letters wn-def

(Roman Catholic Church) a liturgical chant consisting of a single, unaccompanied melodic line

plainsong 9 letters wn-def

(Roman Catholic Church) a liturgical chant consisting of a single, unaccompanied melodic line