sep·tet noun orsep·tette\(ˈ)sep|tet\ (-s) Etymology: German septet, from sept- (I) + -et 1.: a group of seven persons or objects < a septet of husky linemen > 2. a.: a composition for seven instruments or voices b.: a performance of such a composition c.: seven musicians performing such a composition 3.: a stanza or poem having seven lines — compare rhyme royal