Medical Dictionary


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plates usually covered with horny shields enclosing the trunk and into which the head, limbs, and tail usually may be withdrawn—called also chelonian


How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears