Definition of alligator turtle in English:

alligator turtle

noun

  • 1Either of the two North American snapping turtles (family Chelydridae), which have long crested tails resembling that of an alligator; especially the common snapping turtle of eastern North America, Chelydra serpentina, which has a long neck and a ridged carapace.

  • 2Alligator snapping turtle.

Origin

Late 18th century.