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Noun: rattler  rat-lu(r)
  1. [N. Amer, informal] Pit viper with horny segments at the end of the tail that rattle when shaken
    - rattlesnake
  2. [N. Amer] A railway train consisting of freight cars
    - freight train
  3. Something that rattles

Derived forms: rattlers

Type of: pit viper, railroad train [N. Amer], railway train [Brit, Cdn], train

Part of: Crotalidae, family Crotalidae

Encyclopedia: Rattler