Word Study
leatherback
CIDE DICTIONARY
leatherback, n.
A large sea turtle (Sphargis coriacea ), having no bony shell on its back. It is common in the warm and temperate parts of the Atlantic, and sometimes weighs over a thousand pounds; -- called also leather turtle , leathery turtle , leather-backed tortoise , etc. [1913 Webster]
OXFORD DICTIONARY
leatherback, n. a large marine turtle, Dermochelys coriacea, having a thick leathery carapace.
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