applauseometer

Noun

 * 1)  A device of dubious accuracy used to measure the volume of an audience’s applause.
 * 2) * 1989, Nov.–Dec., The Alcalde, volume 78, № 2, page 24
 * Its four-color animation board has message capabilities, angled lenses for easy daytime viewing, and an applauseometer, which measures the crowd’s Longhorn-cheering levels.