Word Study
Anacharis
CIDE DICTIONARY
Anacharis, n. [NL., fr. Gr. up + grace.].
A fresh-water weed of the frog's-bit family (Hydrocharidaceæ ), native to America. Transferred to England it became an obstruction to navigation. Called also waterweed and water thyme . [1913 Webster]
For further exploring for "Anacharis" in Webster Dictionary Online