octet
Concise Oxford English Dictionary © 2008 Oxford University Press:
octet /ɒkˈtɛt/
▶noun
- 1 a group of eight musicians.
■ a musical composition for eight voices or instruments.
- 2 a group of eight lines of verse.
- 3 Chemistry a stable group of eight electrons occupying a single shell in an atom.
– origin C19: from Ital. ottetto or Ger. Oktett, on the pattern of duet and quartet.
'octet' also found in these Oxford entries:

