duck·weed (d k w d )n. Any of various small, free-floating, stemless aquatic flowering plants of the genus Lemna, growing in close, often carpetlike colonies on the surface of quiet water. |
duckweed [ˈdʌkˌwiːd]
n
(Life Sciences & Allied Applications / Plants) 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
ThesaurusLegend: Synonyms Related Words Antonyms
| Noun | 1. |  duckweed - any small or minute aquatic plant of the family Lemnaceae that float on or near the surface of shallow pondscommon duckweed, Lemna minor, lesser duckweed - of temperate regions except eastern Asia and Australia Lemna trisulca, star-duckweed - cosmopolitan in temperate regions except North America great duckweed, Spirodela polyrrhiza, water flaxseed - cosmopolitan except South America and New Zealand and some oceanic islands watermeal - any of various aquatic plants of the genus Wolffia; throughout warmer regions of the world bogmat, mud midget, Wolffiella gladiata - having narrow flat sickle-shaped submerged fronds; North America aquatic plant, hydrophyte, hydrophytic plant, water plant - a plant that grows partly or wholly in water whether rooted in the mud, as a lotus, or floating without anchorage, as the water hyacinth |
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