Definition from Wiktionary, the free dictionary
- Rhymes: -ɛt
Alternative forms 
quartet (plural quartets)
- (music) A music composition in four parts, each performed by a single voice or instrument.
- A string quartet.
- (music) The set of four musicians who perform a piece of music together in four parts.
- A quartet of violinists.
- A group of four.
- group of four: foursome
music composition in four parts
four musicians who perform a piece of music together
group of four