quartet
Concise Oxford English Dictionary © 2008 Oxford University Press:
quartet /kwɔːˈtet/ (also quartette)
▶noun
- 1 a group of four people playing music or singing together.
■ a composition for a quartet.
- 2 a set of four people or things.
– origin C17: from Fr. quartette, from Ital. quartetto, from quarto ‘fourth’, from L. quartus.
'quartet' also found in these Oxford entries:

