spatterdock
/ˈspætədɒk/noun
1- N. Amer. a yellow-flowered water lily〈北美〉萍蓬草; 圆叶萍蓬草。
1.1
- Genus Nuphar, family Nymphaeaceae: several species, in particular N. advena.萍蓬草属, 睡莲科：数种, 尤指外来萍蓬草。