Definition of diamondback rattlesnake in English English dictionary
Either of two venomous rattlesnakes, of the genus Crotalus, from southern United States and Mexico, that have diamond-shaped markings on their backs: Crotalus adamanteus and Crotalus atrox
Either of two large venomous rattlesnakes (Crotalus adamanteus or C. atrox) found in the southern and western United States and in Mexico and having diamond-shaped markings on the back