rattle

Noun

• loosely connected horny sections at the end of a rattlesnake's tail

• a baby's toy that makes percussive noises when shaken

• a rapid series of short loud sounds (as might be heard with a stethoscope in some types of respiratory disorders)
  • the death rattle
    

Verb

• shake and cause to make a rattling noise

• make short successive sounds

Related words

• Synonyms: 
  rattling , rale