sextet

noun

1. any group or set of six.
2. Also sestet. Music.
   1. a company of six singers or players.
   2. a musical composition for six voices or instruments.

noun

1. music a group of six singers or instrumentalists or a piece of music composed for such a group
2. a group of six people or things

n.1841, altered (by influence of German Sextett) from sestet.