- a sea turtle, Dermochelys coriacea, having the shell embedded in a leathery skin, reaching a length of more than 7 feet (2.1 meter) and a weight of more than 1000 pounds (450 kg): the largest living sea turtle; an endangered species.
Origin of leatherback turtle
Also called leath·er·back.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for leatherback
Leatherback turtles, opah, and large numbers of ocean sunfish have been reported off Washington.Fishy Mystery: Are Beached Oarfish Trying to Tell Us Something?
October 23, 2013
The Leatherback, or Trunk Turtle, is the largest of the sea turtles, sometimes reaching a weight of half a ton.Pathfinder
- a large turtle, Dermochelys coriacea, of warm and tropical seas, having a ridged leathery carapace: family DermochelidaeAlso called (in Britain): leathery turtle