by-the-wind sailor
/ˈbaɪðəwɪnd/noun
1- a surface-dwelling colonial marine coelenterate of the Atlantic and Mediterranean. It has a disc-like float bearing a sail that is used to catch the wind.帆水母。
1.1
- Velella velella, suborder Chondrophora, order Hydroida.拉丁名Velella velella,漂浮亚目, 水螅虫目。