RATTLE

noun

1. A sound made by loose objects shaking or vibrating against one another.
2. A baby’s toy designed to make sound when shaken, usually containing loose grains or pellets in a hollow container.
3. A device that makes a rattling sound such as put on an animal so its location can be heard.

verb

1. To create a rattling sound by shaking or striking.
2. To scare, startle, unsettle, or unnerve.
3. To make a rattling noise; to make noise by or from shaking.