Meaning of rattlesnake

rat•tle•snake

Pronunciation: (rat'l-snāk"), [key]
— n.
  1. any of several New World pit vipers of the genera Crotalus and Sistrurus, having a rattle composed of a series of horny, interlocking elements at the end of the tail.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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