clientele
/ˌkliːɒnˈtel/noun
treated as sing. or pl.
1- clients collectively总称委托人：
the solicitor's clientele.
律师的委托人。
1.1
- the customers of a shop, bar, or place of entertainment（商店、酒吧、娱乐场所的）顾客：
the dancers don't mix with the clientele.
舞者和顾客并不交往。
词源
mid 16th cent. （in the sense 'clientship, patronage'）： via French from Latin clientela 'clientship', from cliens, client- （see CLIENT）.