Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun rattler

2 senses of rattler

Sense 1
rattlesnake, rattler -- (pit viper with horny segments at the end of the tail that rattle when shaken)
       => pit viper -- (New World vipers with hollow fangs and a heat-sensitive pit on each side of the head)

Sense 2
freight train, rattler -- (a railroad train consisting of freight cars)
       => train, railroad train -- (public transport provided by a line of railway cars coupled together and drawn by a locomotive; "express trains don't stop at Princeton Junction")