Noun: Western rattlesnake
- Venomous pit viper of western North America, with diamond-shaped head and rattle-tipped tail
"Western rattlesnake is common in grassland areas";
- prairie rattlesnake, prairie rattler, Crotalus viridis
Type of: rattler [N. Amer, informal], rattlesnake
Part of: Crotalus, genus Crotalus
Encyclopedia: Western rattlesnake