Designating music (chiefly of the Renaissance and Baroque period) in which the vocal ensemble is divided into two or more groups, usually in order to effect antiphonal exchange.
Origin
1940s.
Definition of polychoral in US English:
polychoral
adjective
Music
Designating music (chiefly of the Renaissance and Baroque period) in which the vocal ensemble is divided into two or more groups, usually in order to effect antiphonal exchange.