leatherback

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noun leath·er·back \ˈle-thər-ˌbak\

Definition of leatherback

  1. :  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

Illustration of leatherback

Circa 1855

First Known Use of leatherback

circa 1855


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WORD OF THE DAY

to decrease in size, extent, or degree

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