rattler

[ rat-ler ]
/ ˈræt lər /

noun

a rattlesnake.
a person or thing that rattles.
Informal. a fast freight train.

Origin of rattler

late Middle English word dating back to 1400–50; see origin at rattle1, -er1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for rattler

British Dictionary definitions for rattler

rattler

/ (ˈrætlə) /

noun

something that rattles
mainly US and Canadian an informal name for rattlesnake

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012