mermaid's purse
noun
the horny or leathery egg case of certain cartilaginous fishes, as skates.
Origin of mermaid's purse
First recorded in 1830–40
Words nearby mermaid's purse
merlon,
merlot,
mermaid,
mermaid tavern,
mermaid weed,
mermaid's purse,
mermaid's wineglass,
merman,
merneptah,
mero-,
meroblastic