Antiphone

In music, the antiphone is the response which one side of the choir makes to the other in a chant, being alternate chanting or signing.
Found on http://www.probertencyclopaedia.com/browse/VA.HTM

Antiphone

An'ti·phone noun (Mus.) The response which one side of the choir makes to the other in a chant; alternate chanting or signing.
Found on http://www.encyclo.co.uk/webster/A/97

Antiphone

• (n.) The response which one side of the choir makes to the other in a chant; alternate chanting or signing.
Found on http://thinkexist.com/dictionary/meaning/antiphone/
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