The word 'chant' has several uses: 1: recite with musical intonation; recite as a chant or a psalm; 2: a repetitive song in which as many syllables as necessary are assigned to a single tone; 3:...
choral.
Definition: 1. performed by choir: arranged for or performed by a chorus or choirchoral singing2. relating to chorus or choir: concerned with choral singing, choruses, or choirsa choral...
I am unsure about what you mean by your question... please make clearer.
A cahnt song is where people sing/shout/chant the same lirics together, sometimes in a round or sometimes even a bass line!