- a North American venomous snake, Sistrurus catenatus, that has a horny rattle at the end of the tail: family Crotalidae (pit vipers)
WordReference Random House Unabridged Dictionary of American English © 2026
mas•sa•sau•ga
(mas′ə sô′gə),USA pronunciation n.
- Reptilesa small rattlesnake, Sistrurus catenatus, ranging from the Great Lakes to the Mexican border.
- irregularly after Missisauga River, Ontario, Canada 1830–40
Collins Concise English Dictionary © HarperCollins Publishers::
massasauga /ˌmæsəˈsɔːɡə/ n