noun Date: circa 1855 the largest existing sea turtle ( Dermochelys coriacea ) distinguished by its flexible carapace composed of a mosaic of small bones embedded in a thick leathery skin
LEATHERBACK
Meaning of LEATHERBACK in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012