We're working on a new site. Click here to get a sneak preview.


noun hy·dril·la \hī-ˈdri-lə\

Definition of HYDRILLA

:  a freshwater aquatic Asian plant (Hydrilla verticillata of the Hydrocharitaceae family) that has small narrow leaves growing in whorls of three to eight around stems which become heavily branched near the water surface

Origin of HYDRILLA

New Latin, probably from Latin Hydra Hydra
First Known Use: 1969


Next Word in the Dictionary: -hydrinPrevious Word in the Dictionary: hydriformAll Words Near: hydrilla
How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears