quintet
/kwɪnˈtet/noun
1- a group of five people playing music or singing together五重奏乐团; 五重唱组合。
1.1
- a musical composition for such a group五重奏曲; 五重唱曲。
1.2
- any group of five people or things五人一组; 五件一套：
a novel about a quintet of interrelated lovers.
一部描述五角恋爱的小说。
词源
late 18th cent.: from French quintette or Italian quintetto, from quinto 'fifth'， from Latin quintus.