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leatherback

leatherback

2 7.0
A very large sea turtle with a flexible, soft shell
  • noun
  • /ˈlɛðərˌbæk/
translation icon : tortuga laúd
  • Conservationists are working hard to protect the endangered leatherback, which faces threats from habitat loss.
  • leatherback turtle

Examples

  • The leatherback is the largest (450,635 kg) sea turtle.

    Academic text (1994)
  • That's big, but it's a far cry from the size of the leatherback sea turtle!

    Blog text (2)
  • I called Mass Audubon and reported the stranded leatherback turtle.

    Blog text (5)
  • Officials are still counting and double-checking reports but fear that more than twenty of the endangered leatherbacks have died in the region this summer.

    Blog text (5)
  • For example, the largest turtle—the leatherback sea turtle—lives in water.

    Blog text (2)
  • Leatherback sea turtles are among the world's largest reptiles, and adults commonly weigh in excess of 1,000 pounds.

    Blog text (5)
  • Biologists James Spotila, Frank Paladino, and Michael O'Connor discovered that the largest living sea turtle, the leatherback, has a metabolic rate nicely intermediate between those of typical reptiles and typical mammals.

    Academic text (1991)
  • The leatherback sea turtle is the largest living turtle, reaching lengths of up to seven feet.

  • In the ocean, leatherbacks can dive to extraordinary depths in search of jellyfish.

Synonyms

leatherback turtle
vsleatherback
1 5.0

A very large sea turtle with a soft, leather-like shell that swims long distances

is a descriptive definition of the same animal rather than a name
leathery turtle
vsleatherback
4.8

A very large sea turtle with a soft, flexible shell instead of hard plates

is the standard descriptive form rather than this variant phrasing
Dermochelys coriacea
vsleatherback
  • Specialized
8.6

A very large sea turtle with a soft, leathery shell that is the biggest living turtle

is the plain descriptive term used instead of the Latin scientific form

Compounds

A very large sea turtle with a soft, leather-like shell that swims long distances

Surface Forms

leatherback singular
leatherbacks plural

Morphology

leatherback = leather + back (transparent) = leather + back

The name is a straightforward compound describing the turtle's leathery dorsal surface, so learners can infer it from the parts.

Etymology

The word leatherback joins the common words leather and back, literally meaning a 'leather back'. This name helps you remember that this sea turtle has a soft, leather-like shell on its back instead of a hard shell, which is why a leatherback is the largest living sea turtle.