( n. )
A fresh-water weed of the frog's-bit family (Hydrocharidaceae), native to America. Transferred to England it became an obstruction to navigation. Called also waterweed and water thyme.
( n. )
A fresh-water weed of the frog's-bit family (Hydrocharidaceae), native to America. Transferred to England it became an obstruction to navigation. Called also waterweed and water thyme.
Webster's Revised Unabridged English Dictionary. Пересмотренный полный словарь английского языка Webster. 2012