sea-purseWiktionary 原文1词源 1词源说明Named because it is shaped like a small purse.释义（英文）名词 NounThe egg case of skate, shark or ratfish; a mermaid's purse.The sea bean Dioclea reflexa.2词源 2词源说明Alteration of sea puss.释义（英文）名词 Noun(rare) Alternative form of sea puss (“dangerous current”).