rattle
noun
a rapid series of short loud sounds (as might be heard with a stethoscope in some types of respiratory disorders)
“the death rattle”
a baby's toy that makes percussive noises when shaken
loosely connected horny sections at the end of a rattlesnake's tail
verb
make short successive sounds
shake and cause to make a rattling noise
Source: WordNet 3.1, Princeton University
