noisemaker

from WordNet (r) 3.0 (2006)
noisemaker
    n 1: a device (such as a clapper or bell or horn) used to make a
         loud noise at a celebration
from The Collaborative International Dictionary of English v.0.48
noisemaker \noisemaker\ n.
   Any device (such as a clapper or bell or horn) used to make a
   loud noise at a celebration.
   [WordNet 1.5]
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