01 n. pl. An order of reptiles which includes the turtles and tortoises. The body is covered by a shell consisting of an upper or dorsal shell, calle…
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An order of reptiles which includes the turtles and tortoises. The body is covered by a shell consisting of an upper or dorsal shell, called the carapace, and a lower or ventral shell, called the plastron, each of which consists of several plates.(Zool.)