leatherback
C1Formal, Technical, Scientific
Definition
Meaning
A specific species of sea turtle, the largest of all living turtles, characterized by its unique leathery, ribbed carapace instead of a hard bony shell.
The term is used exclusively to refer to the leatherback turtle (Dermochelys coriacea). There is no common metaphorical or extended meaning in general usage.
Linguistics
Semantic Notes
A hyponym (specific type) of 'turtle'. Usage is almost entirely zoological, ecological, or conservation-related. The word is a compound noun (leather + back) describing its most distinctive physical feature.
Dialectal Variation
British vs American Usage
Differences
No significant differences in meaning or usage. Spelling and pronunciation are consistent.
Connotations
Neutral/conservation-focused in both variants.
Frequency
Equally low-frequency in both dialects, appearing primarily in scientific, documentary, or environmental contexts.
Vocabulary
Collocations
Grammar
Valency Patterns
The leatherback [verbs: dives, migrates, nests, lays eggs]A leatherback [weighs/measures]...Vocabulary
Synonyms
Neutral
Weak
Vocabulary
Antonyms
Usage
Context Usage
Business
Virtually never used, except potentially in eco-tourism or conservation fundraising.
Academic
Used in biology, zoology, marine ecology, and environmental science papers.
Everyday
Rare. Might be encountered in nature documentaries, news about conservation, or visits to aquariums.
Technical
The standard term in herpetology and wildlife conservation for this specific species.
Examples
By CEFR Level
- We saw a picture of a large leatherback turtle.
- The leatherback turtle is an endangered species that migrates thousands of miles.
- Conservationists have tracked the leatherback's transoceanic migration using satellite tags to better understand its foraging behaviour.
Learning
Memory Aids
Mnemonic
Imagine the turtle's back is made of soft, ribbed LEATHER, unlike the hard shell of other turtles.
Conceptual Metaphor
Not applicable. The term is a literal description.
Watch out
Common Pitfalls
Translation Traps (for Russian speakers)
- Avoid translating as 'кожаная спина' in isolation; it is a fixed name for the species 'кожистая черепаха'.
Common Mistakes
- Using 'leatherback' as an adjective for non-turtle items (e.g., 'a leatherback jacket').
- Confusing it with other large sea turtles like the 'loggerhead'.
Practice
Quiz
What is the primary defining feature of a leatherback?
FAQ
Frequently Asked Questions
No, in modern English it refers exclusively to the leatherback sea turtle.
Rarely and only attributively as part of the compound noun 'leatherback turtle'. It is not a standalone descriptive adjective.
It is the largest, lacks a bony shell (having a leathery carapace instead), and has the deepest diving capabilities.
No, it is a low-frequency, specialist term most people encounter only in specific contexts like nature documentaries or science news.
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