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from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. Any of several thick-bodied, nonvenomous North American snakes of the genus Heterodon having an upturned snout. Also called puff adder.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A colubrid snake, from any of three genera, characterized by an upturned snout and notorious for playing dead when threatened.


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