choir KWIE-ur Your browser does not support the audio element. [ English ] Definition 1. A group of singers who usually sing in parts with several voices on each part. 2. That part of a cathedral that is set apart for the choir. 3. A group of homogeneous instruments which perform together such as a brass choir. Share Share on Facebook (opens in a new tab) Share on X (opens in a new tab) Last Updated: 2016-05-21 11:51:32