Definition of water hyacinth
: a showy floating aquatic herb (Eichhornia crassipes) of tropical South America that has become naturalized in warm regions (as of the southern United States) often clogging waterways
First Known Use of water hyacinth
WATER HYACINTH Defined for Kids
Definition of water hyacinth for Students
: a floating water plant that often clogs streams in the southern United States
Learn More about water hyacinth
Britannica.com: Encyclopedia article about "water hyacinth"
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