rattle in WordNet English dictionary

1. a rapid series of short loud sounds (as might be heard with a stethoscope in some types of respiratory disorders)
   "the death rattle"
   rattle  rattling  rale 
   
2. loosely connected horny sections at the end of a rattlesnake's tail
   rattle 
   
3. a baby's toy that makes percussive noises when shaken
   rattle 
   

1. shake and cause to make a rattling noise
   rattle 
   
2. make short successive sounds
   rattle