A band or organized company of singers, especially in church service. - An organized company of singers, especially one performing church music or singing in a church. - The part of a church used by such a company of singers. - The part of the chancel in a cruciform church that is occupied by this company of singers. - A group of instruments of the same kind: a string choir. - A division of some pipe organs, containing pipes suitable for accompanying a choir. - An organized group: a choir of dancers. - One of the orders of angels. - To sing in chorus.