noun \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


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