the cardinal number that is the sum of three and one
[ Syn: four , 4 , iv , tetrad , quatern , quaternion , quaternary , quaternity , quadruplet , foursome , little joe ]
four performers or singers who perform together
[ Syn: quartette ]
a set of four similar things considered as a unit
[ Syn: quartette , quadruplet , quadruple ]
four people considered as a unit; he joined a barbershop quartet; the foursome teed off before 9 a.m.
a musical composition for four performers
[ Syn: quartette ]