chorus

Definition (noun): any utterance produced simultaneously by a group

Example: a chorus of boos

Definition (noun): a group of people assembled to sing together

Definition (noun): the part of a song where a soloist is joined by a group of singers

Definition (noun): a body of dancers or singers who perform together

Definition (noun): a company of actors who comment (by speaking or singing in unison) on the action in a classical Greek play

Definition (verb): utter in unison

Example: `yes,’ the children chorused

Definition (verb): sing in a choir