1. a large sea turtle with a leathery shell instead of a hard one

Examples

• The leatherback is the largest species of sea turtle in the world.
• Scientists tracked the leatherback’s migration across the Pacific Ocean.
• Leatherbacks can dive deeper than any other turtle species.
• The beach was closed to protect nesting leatherbacks.
• Unlike other sea turtles, the leatherback has a flexible, rubbery shell.
• Leatherbacks primarily feed on jellyfish in the open ocean.