sea purse: meaning, definition, pronunciation and examples

Very Low
UK/ˈsiː ˌpɜːs/US/ˈsi ˌpɝːs/

Technical/Biological

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Quick answer

What does “sea purse” mean?

The protective egg case of certain cartilaginous fish, notably skates, rays, and some sharks.

Audio

Pronunciation

Definition

Meaning and Definition

The protective egg case of certain cartilaginous fish, notably skates, rays, and some sharks.

A leathery, often rectangular or horned capsule found washed up on beaches, containing the developing embryo of the fish.

Dialectal Variation

British vs American Usage

Differences

The term 'mermaid's purse' is far more common in both varieties. 'Sea purse' is a rare, alternative technical term with no significant regional preference.

Connotations

Neutral and descriptive; evokes a specific natural object rather than any cultural connotation.

Frequency

Extremely low frequency in general corpora. Likely only encountered in specialist texts, nature guides, or by beachcombers.

Grammar

How to Use “sea purse” in a Sentence

[to find/identify] a sea purse [on/along the beach/shore]

Vocabulary

Collocations

strong
empty sea purseskate's sea pursewashed-up sea purseleathery sea purse
medium
find a sea pursesea purse on the beachhorned sea purseblack sea purse
weak
brown sea pursesmall sea pursesea purse egg case

Usage

Meaning in Context

Business

Not used.

Academic

Used in marine biology and zoology texts when describing chondrichthyan reproduction.

Everyday

Rare. Might be used by enthusiasts, beachcombers, or in educational nature programmes.

Technical

The primary domain of use. A precise term for a specific biological structure.

Vocabulary

Synonyms of “sea purse”

Strong

egg capsule

Weak

fish egg sac

Vocabulary

Antonyms of “sea purse”

Watch out

Common Mistakes When Using “sea purse”

  • Confusing it with a seashell or other beach debris.
  • Using it to refer to a purse for carrying items at the seaside.
  • Misspelling as 'seapurse' (it is typically two words).

FAQ

Frequently Asked Questions

No, the structure itself is not alive. It is a protective capsule made of collagen. It may be empty or contain a developing embryo.

Yes, often. The size, shape (rectangular with horns for skates, more spiral or conical for some sharks), and texture can identify the species.

If it is empty and dried, it is generally considered acceptable by beachcombing ethics. However, local regulations and protected species laws should always be checked.

They are synonyms. 'Mermaid's purse' is the far more common and picturesque folk name, while 'sea purse' is a less frequent technical alternative.

The protective egg case of certain cartilaginous fish, notably skates, rays, and some sharks.

Sea purse is usually technical/biological in register.

Sea purse: in British English it is pronounced /ˈsiː ˌpɜːs/, and in American English it is pronounced /ˈsi ˌpɝːs/. Tap the audio buttons above to hear it.

Learning

Memory Aids

Mnemonic

Imagine a tiny, clear purse floating in the SEA, holding a baby skate's pocket money (its nutrients) until it hatches.

Conceptual Metaphor

CONTAINER FOR VALUABLES (the developing embryo is the 'treasure' inside the purse).

Practice

Quiz

Fill in the gap
A dried, black washed ashore is often the empty nursery of a young skate.
Multiple Choice

What is a 'sea purse' primarily?