noun Eich·hor·nia \īˈkȯrnēə, īkˈhȯ-\

Definition of Eichhornia

  1. :  a genus of chiefly tropical floating aquatic herbs (family Pontederiaceae) having rounded or broad clustered leaves with inflated petioles — see water hyacinth

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Origin and Etymology of eichhornia

New Latin, from Johann A. F. Eichhorn †1856 Prussian official + New Latin -ia

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to criticize severely

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