1. a rattlesnake
Usage: informal
2. something that makes a rattling sound
3. an old or rickety vehicle
Usage: informal

Examples

• We heard a rattler in the bushes and backed away slowly.
• The hiker spotted a large rattler coiled under a rock.
• The baby's favorite toy was a colorful rattler.
• His old car was such a rattler that we could hear it coming from blocks away.
• The ancient truck was a real rattler, but it still ran.
• She shook the rattler to get the dog's attention.