Definition of choruses:
(n) :
A group of singers performing together; a choir; specifically, such a group singing together in a musical, an opera, etc., as distinct from the soloists; an ensemble.
(n) :
An instance of singing by a group of people.
(n) :
(music) A part of a song which is repeated between verses to emphasize the song's content; a refrain.
(n) :
(by extension) A group of people in a performance who recite together.
(n) :
(figuratively) A group of people who express a unanimous opinion.
(n) :
(figuratively) The opinion expressed by such a group.