| 释义 |
mermaid's purse
mer·maid's purse (mûr′mādz′)n. The rectangular leathery egg case of certain elasmobranch fishes, especially the skates, often found washed up on beaches. Also called sea purse.mermaid's purse n (Zoology) another name for sea purse mermaid's purse
mermaid's purse: see rayray,
extremely flat-bodied cartilaginous marine fish, related to the shark. The pectoral fins of most rays are developed into broad, flat, winglike appendages, attached all along the sides of the head; the animal swims by rippling movements of these wings.
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