waterweed

[ waw-ter-weed, wot-er- ]
/ ˈwɔ tərˌwid, ˈwɒt ər- /

noun

Origin of waterweed

First recorded in 1835–45; water + weed1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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British Dictionary definitions for waterweed

waterweed
/ (ˈwɔːtəˌwiːd) /

noun

any of various weedy aquatic plants
another name for pondweed (def. 2)
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012