Medical Definition of Crotalus
: the type genus of the family Crotalidae that includes many of the rattlesnakes
Test Your Vocabulary
Name That Food
-
- Name these cookies!

Test your knowledge - and maybe learn something along the way.
TAKE THE QUIZ
A daily challenge for crossword fanatics.
TAKE THE QUIZLove words? Need even more definitions?
Merriam-Webster unabridged
Share Crotalus