Western diamondback wes·tern·dia·mondback uncommon noun 1. largest and most dangerous North American snake; of southwestern United States and Mexico SynonymsWestern diamondbackWestern diamondback rattlesnakeCrotalus atrox Related words Word family Western diamondback rattlesnake Broader terms rattlesnake Parts Crotalus WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.
