Adjective
polychoral (not comparable)
(music) Featuring multiple choirs, or a choir that has been divided into different groups (so as to effect antiphonal exchange)
In the mid-16th century, some Italian church composers began to write polychoral works. Source: Internet
He rarely used the cantus firmus technique, preferring the then-new Venetian polychoral manner, yet he was equally conversant with earlier imitative techniques. Source: Internet
Giovanni Bassano was a virtuoso early player of the cornett, and Giovanni Gabrieli wrote much of his polychoral music with Bassano in mind. Source: Internet
However, its emphasis on polychoral techniques certainly put it out of the range of prima pratica. Source: Internet
These new genres, just as the polychoral one probably was, were indeed made possible by the existence of a semi- or fully independent bass line. Source: Internet
The term "Choir" has the secondary definition of a subset of an ensemble; thus one speaks of the "woodwind choir" of an orchestra, or different "choirs" of voices and/or instruments in a polychoral composition. Source: Internet