cor anglais UK /ˌkɔːɹ ˈɒŋɡleɪ/US /ˌkɔɹ ɔŋˈɡleɪ/ noun1 •A double-reed woodwind instrument in the oboe family that is pitched in F, one-fifth lower than the oboe and is consequently approximately one-third longer than the oboe. formscors anglais