Medical Definition of diamondback rattlesnake
: either of two large and deadly rattlesnakes of the genus Crotalus (C. adamanteus of the southeastern United States and C. atrox of the south central and southwestern United States and Mexico)—called also diamondback, diamondback rattler
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Dictionary: Definition of "diamondback rattlesnake" Britannica.com: Encyclopedia article about "diamondback rattlesnake"
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