antiphony > define
noun
- Alternate (responsive) singing by a choir in two parts.
- A verse or song to be chanted or sung in response.
- synonyms: antiphon
by WordNet 3.0 © 2006 by Princeton University
- (n.) A musical response; also, antiphonal chanting or signing.
- (n.) An anthem or psalm sung alternately by a choir or congregation divided into two parts. Also figuratively.
by Webster's Revised Unabridged Dictionary