massasauga rattler mas·sa·sau·garattler uncommon noun 1. pygmy rattlesnake found in moist areas from the Great Lakes to Mexico; feeds on mice and small amphibians Synonymsmassasaugamassasauga rattlerSistrurus catenatus Related words Broader terms rattlesnake Parts Sistrurus WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.
