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water milfoil definition

water milfoil

any of a genus (Myriophyllum, family Haloragaceae) of graceful, feathery dicotyledonous plants (order Haloragales) growing under water: used in aquariums

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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