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