Definitions for water hyacinth
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Random House Webster's College Dictionary
wa′ter hy`acinth(n.)
a floating freshwater plant, Eichornia crassipes, related to the pickerelweed, that grows so prolifically it often hinders the passage of boats.
Category: Plants
Origin of water hyacinth:
1895–1900, Amer.
Princeton's WordNet
water hyacinth, water orchid, Eichhornia crassipes, Eichhornia spesiosa(noun)
a tropical floating aquatic plant having spikes of large blue flowers; troublesome in clogging waterways especially in southern United States
Webster Dictionary
Water hyacinth
either of several tropical aquatic plants of the genus Eichhornia, related to the pickerel weed
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"water hyacinth." Definitions.net. STANDS4 LLC, 2013. Web. 19 Jun 2013. <http://www.definitions.net/definition/water hyacinth>.

