Definify.com
Webster 1913 Edition
Leatherback
Leath′er-backˊ
,Noun.
(Zool.)
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.