diamondback rattlesnake

noun

either of two large, highly venomous rattlesnakes of the genus Crotalus, having diamond-shaped markings on the back.

Compare eastern diamondback rattlesnake, western diamondback rattlesnake.

Origin of diamondback rattlesnake

First recorded in 1890–95

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018