definition of
quartette

[1] #1 quartette n. [quartet] four performers or singers who perform together. wn

[2] #2 quartette n. [quartet, quadruplet, quadruple] a set of four similar things considered as a unit. wn

[3] #3 quartette n. [quartet, foursome] four people considered as a unit; "he joined a barbershop quartet"; "the foursome teed off before 9 a.m.". wn

[4] #4 quartette n. [quartet] a musical composition for four performers. wn