SEPTET
septet, septette
(noun) a musical composition written for seven performers
septet, septette, sevensome
(noun) seven people considered as a unit
septet, septette
(noun) a set of seven similar things considered as a unit
septet, septette
(noun) seven performers or singers who perform together
seven, VII, sevener, heptad, septet, septenary
(noun) the cardinal number that is the sum of six and one
Source: WordNet® 3.1
Etymology
Noun
septet (plural septets)
A group of seven, often a musical group of seven performers.
A musical composition for seven instruments or seven voices.
Source: Wiktionary
Sep*tet", Sep*tette", n. Etym: [From L. septem seven, like duet, from
L. duo.]
1. A set of seven persons or objects; as, a septet of singers.
2. (Mus.)
Definition: A musical composition for seven instruments or seven voices; --
called also septuor.
Source: Webster’s Unabridged Dictionary 1913 Edition