noun, masculine/kœʁ/plural: chœurs
chorus; choir (company of people who are trained to sing together); quire (the architectural area of a church used by the choir, often near the apse)
“en chœur” — in chorus, in unison
Inherited from Middle French cuer, quer, a semi-learned adaptation or borrowing (from different stages in time) from Latin chorus, from Ancient Greek χορός (khorós). Doublet of chorus.