[ duhk-weed ]

  1. any plant of the family Lemnaceae, especially of the genus Lemna, comprising small aquatic plants that float free on still water.

Origin of duckweed

1400–50; late Middle English dockewede; so called because eaten by ducks

Words Nearby duckweed Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

How to use duckweed in a sentence

British Dictionary definitions for duckweed


/ (ˈdʌkˌwiːd) /

  1. any of various small stemless aquatic plants of the family Lemnaceae, esp any of the genus Lemna, that have rounded leaves and occur floating on still water in temperate regions

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