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rattlesnake
(rat′'l snāk′)
☆
noun
any of various poisonous American pit vipers (genera Crotalus and Sistrurus), having an interlocking series of horny rings at the end of the tail that produce a rattling or buzzing sound when shaken
See rattlesnake in American Heritage Dictionary 4
noun
Any of various venomous New World snakes of the genera Crotalus and Sistrurus, having at the end of the tail a series of loosely attached, horny segments that can be vibrated to produce a rattling or buzzing sound.
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