cantoris

Etymology
Borrowed from.

Adjective

 * 1)  Of the side of the chancel, apse, altar or choir on which the cantor's (later precentor's) stall is placed (the left hand side to a person facing the altar);

Noun

 * 1)  The lower of two choral voice parts sung when a part splits into two; traditionally sung by members of the choir on the cantoris side.
 * 2)  That half of the choir singing cantoris parts, collectively.
 * 1)  That half of the choir singing cantoris parts, collectively.