Medical Dictionary
turtle
noun, often attrib tur·tle \ˈtərt-əl\
plural turtles also turtle
Medical Definition of TURTLE
: any of an order (Testudines) of terrestrial, freshwater, and marine reptiles that have a toothless horny beak and a shell of bony dermal plates usually covered with horny shields enclosing the trunk and into which the head, limbs, and tail usually may be withdrawn—called also chelonian
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