| Noun | 1. |  antiphony - alternate (responsive) singing by a choir in two parts music - an artistic form of auditory communication incorporating instrumental or vocal tones in a structured and continuous manner | 
| 2. |  antiphony - a verse or song to be chanted or sung in response church music, religious music - genre of music composed for performance as part of religious ceremonies gradual - (Roman Catholic Church) an antiphon (usually from the Book of Psalms) immediately after the epistle at Mass |