<botany> A fresh water weed of the frog's-bit family (Hydrocharidaceae), native to America. Transferred to England it became an obstruction to navigation.

Synonyms: waterweed and water thyme.

Origin: NL, fr. Gr. Up + grace.

(01 Mar 1998)

anacardiol, anacardium, anacatesthesia, anacathartic < Prev | Next > anachronism, anacidity, anaclasis

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