quartet meaning and definition

QUARTET noun

Definition of quartet (noun)

1. the cardinal number that is the sum of three and one
   • synonyms: 4, four, foursome, IV, Little Joe, quadruplet, quatern, quaternary, quaternion, quaternity, tetrad
2. four performers or singers who perform together
   • synonyms: quartette
3. a set of four similar things considered as a unit
   • synonyms: quadruple, quadruplet, quartette
4. four people considered as a unit
   • "he joined a barbershop quartet"; "the foursome teed off before 9 a.m."
   • synonyms: foursome, quartette
5. a musical composition for four performers
   • synonyms: quartette