Noun sistrurus catenatus has 1 sense
  1. massasauga, massasauga rattler, Sistrurus catenatus - pygmy rattlesnake found in moist areas from the Great Lakes to Mexico; feeds on mice and small amphibians
    --1 is a kind of rattlesnake, rattler
    --1 is a member of Sistrurus, genus Sistrurus
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