quartet, quartette or quartett /kwör-tetˈ/

1. A set of four
2. A composition for four voices or instruments
3. A set of performers or instruments for such compositions

• secondary surveillance radar
• second ballot
• second ballots
• second banana
• second bananas
• second best
• second-best
• Second Book of Discipline
• second chamber
• second chambers
• second childhood
• second childhoods
• second class
• second-class
• second-class citizen
• second-class citizens
• second classes
• second-class mail
• second-class post
• Second Coming
• second cousin
• second cousins
• second degree
• second degree burn
• second degree murder