Antiphony
Pronunciation : An*tiph"o*ny
Part of Speech : n.; pl. Antiphonies.
Etymology : [See Antiphon.]
Definition : 1. A musical response; also, antiphonal chanting or signing.
2. An anthem or psalm sung alternately by a choir or congregation divided into two parts. Also figuratively. O! never more for me shall winds intone, With all your tops, a vast antiphony. R. Browning.
Source : Webster's Unabridged Dictionary, 1913