octet

noun

1. a company of eight singers or musicians.
2. a musical composition for eight voices or instruments.
3. Prosody. octave(def 4).
4. any group of eight.

noun

1. any group of eight, esp eight singers or musicians
2. a piece of music composed for such a group
3. prosody another word for octave (def. 2)
4. chem a group of eight electrons forming a stable shell in an atom