sea turtle: meaning, definition, pronunciation and examples

B1
UK/ˈsiː ˌtɜː.tl̩/US/ˈsi ˌtɝː.t̬l̩/

Neutral

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Quick answer

What does “sea turtle” mean?

A large marine reptile with a bony or leathery shell and flippers, found in warm and temperate seas worldwide.

Audio

Pronunciation

Definition

Meaning and Definition

A large marine reptile with a bony or leathery shell and flippers, found in warm and temperate seas worldwide.

A symbol of longevity, navigation, and environmental conservation; used metaphorically to describe something slow-moving, ancient, or persistent.

Dialectal Variation

British vs American Usage

Differences

In British English, 'turtle' commonly means a marine reptile, so 'sea turtle' is often used for clarity or in scientific contexts. In American English, 'turtle' is a broader term for all Testudines, making 'sea turtle' the necessary, specific term for marine species.

Connotations

Slightly more technical or specific in British English; standard specific term in American English.

Frequency

More frequent in American English due to the need to distinguish from freshwater 'turtles' and 'tortoises'. Common in both varieties in environmental and biological discourse.

Grammar

How to Use “sea turtle” in a Sentence

[The/An] ADJ sea turtle VERBSea turtles VERB on NOUNto VERB a sea turtle

Vocabulary

Collocations

strong
endangered sea turtlegreen sea turtleloggerhead sea turtlesea turtle conservationsea turtle nesting beach
medium
baby sea turtlefemale sea turtleprotect sea turtlespopulation of sea turtles
weak
ancient sea turtlegiant sea turtleobserve sea turtlesrare sea turtle

Examples

Examples of “sea turtle” in a Sentence

verb

British English

  • The boat nearly sea-turtled in the massive wave.
  • After the collision, the canoe sea-turtled, throwing us into the water.

American English

  • The kayak sea-turtled in the rapids.
  • If you're not careful, this dinghy will sea-turtle.

adjective

British English

  • The sea-turtle population is critically monitored.
  • We visited a sea-turtle rescue centre.

American English

  • The sea-turtle conservation program is a success.
  • She is a leading sea-turtle researcher.

Usage

Meaning in Context

Business

Rare, except in tourism (e.g., 'sea turtle watching tours') or CSR reports ('funding sea turtle protection').

Academic

Common in biology, ecology, and conservation science literature.

Everyday

Common in travel, nature documentaries, and environmental news.

Technical

Standard term in marine biology and herpetology; species names are more specific (e.g., Caretta caretta).

Vocabulary

Synonyms of “sea turtle”

Neutral

marine turtle

Weak

cheloniid (scientific)honu (Hawaiian)

Vocabulary

Antonyms of “sea turtle”

land tortoiseterrestrial turtle

Watch out

Common Mistakes When Using “sea turtle”

  • Misspelling as 'seaturtle' or 'sea-turtle' (standard is two words).
  • Using 'tortoise' interchangeably (a tortoise is solely land-dwelling).

FAQ

Frequently Asked Questions

It is a compound noun written as two separate words: 'sea turtle'.

A sea turtle is marine, has flippers, and rarely comes to land except to nest. A tortoise is terrestrial, has club-like feet, and lives entirely on land.

Yes, in British English, 'turtle' by itself usually refers to the marine kind. 'Sea turtle' is used for clarity or in formal/scientific contexts.

They help maintain healthy seagrass beds and coral reefs, control jellyfish populations, and transport nutrients from oceans to beaches.

A large marine reptile with a bony or leathery shell and flippers, found in warm and temperate seas worldwide.

Sea turtle is usually neutral in register.

Sea turtle: in British English it is pronounced /ˈsiː ˌtɜː.tl̩/, and in American English it is pronounced /ˈsi ˌtɝː.t̬l̩/. Tap the audio buttons above to hear it.

Phrases

Idioms & Phrases

  • turn turtle (to capsize, from resemblance to an upturned turtle)

Learning

Memory Aids

Mnemonic

Think of 'SEA' + 'TURTLE' = a TURTLE that lives in the SEA. Visualise a turtle with flippers swimming in the ocean, not walking on land.

Conceptual Metaphor

A SEA TURTLE IS A NAVIGATOR (ancient, instinctive, long-distance traveller). A SEA TURTLE IS VULNERABLE PERSISTENCE (endangered but continues ancient cycles).

Practice

Quiz

Fill in the gap
Many species, like the leatherback, are endangered due to plastic pollution.
Multiple Choice

In which context is the term 'sea turtle' MOST necessary in American English?