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water hyacinth definition

☆ water hyacinth

a South American aquatic plant (Eichhornia crassipes) of the pickerelweed family, with swollen petioles that float on water and spikes of showy lavender flowers: a pest that blocks water traffic in the S U.S., esp. Florida

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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