claquenoun [ C ]
/klæk//klæk/a group of people who admire and support a person very strongly and agree with what he or she says or does:
Even in her darkest hours Margaret Thatcher had her passionate advocates, her loud claque of admirers.
in the past, a group of people who were paid to applaud (= show approval of) a performer or performers, for example in the theatre:
Such people are the 21st-century equivalent of the claque, paid not with cash but with an invitation to the post-show party.
claqueur
noun [ C ] uk/klæk.ər//klæk.ɚ/
The claqueurs applaud as loudly as possible for their favourite dancers in exchange for free tickets.