octet

or oc·tette

[ ok-tet ]
/ ɒkˈtɛt /

noun

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

Origin of octet

1860–65; oct- + -et, as in duet
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for octet

British Dictionary definitions for octet

octet
/ (ɒkˈtɛt) /

noun

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

Word Origin for octet

C19: from Latin octo eight, on the model of duet
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012