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.

[ Syn: quartette , foursome ]

a musical composition for four performers

[ Syn: quartette ]