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
Recent Examples of hydrilla from the Web
The lake is also lush with hydrilla, and the invasive snails thrive on the plants, feeding on its leaves and scaling its stalks for a breath of fresh air at the surface.
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Origin and Etymology of hydrilla
New Latin, probably from Latin Hydra Hydra
First Known Use: 1969See Words from the same year
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