decani

Etymology
Borrowed from.

Adjective

 * 1)  Of the side of the chancel, apse, altar or choir on which the dean's stall is placed (the right hand side to a person facing the altar); decanal.

Noun

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