D defs.my
Entry 2 senses Webster, 1913

Septet

· Sep·tet · IPA /sɛpˈtɛt/
01 n. A set of seven persons or objects; as, a septet of singers.
  1. 1.
    A set of seven persons or objects; as, a septet of singers.
  2. 2.
    A musical composition for seven instruments or seven voices; -- called also septuor.(Mus.) Also: septuor