The Collaborative International Dictionary of English v.0.48:
Claque \Claque\, n. [F.] 1. A collection of persons employed to applaud at a theatrical exhibition. [1913 Webster] 2. a group of sycophantic followers. [PJC]WordNet (r) 3.0 (2006):
claque n 1: a group of followers hired to applaud at a performance