- The horny egg case of a skate, ray, or small shark.More example sentences
- These egg cases frequently wash up on beaches and are commonly known as mermaid's purses.
- Each egg is enclosed in a capsule around 12 cm in length, commonly known as a mermaid's purse.
More definitions of mermaid's purseDefinition of mermaid's purse in:
- The British & World English dictionary