"rattle" in the noun sense
1. rattle, rattling, rale
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
"rattle" in the verb sense
make short successive sounds
shake and cause to make a rattling noise
Source: WordNet® (An amazing lexical database of English)
Princeton University "About WordNet®."
WordNet®. Princeton University. 2010.
View WordNet® License