duckweed

noun

duck·​weed ˈdək-ˌwēd 

: a small floating aquatic monocotyledonous plant (family Lemnaceae, the duckweed family)

Examples of duckweed in a Sentence

Recent Examples on the Web

The owner of a marina bar near the location where Heinz's body was spotted told Fox News Digital in July that the young fisherman found the body face down and wrapped in duckweed. —Stephen Sorace, FOXNews.com, 11 Dec. 2025

Aquatic vegetation like eelgrass, hydrilla and duckweed are crucial to the ecology of a spring. —Kathryn Varn, Axios, 2 Aug. 2024

Sediment and overgrowth of a plant called duckweed, caused by nutrients that come with sediment, are threatening the lake's wildlife and recreational activities, the park's website reads. —Victoria Moorwood, The Enquirer, 1 Apr. 2024

That said, who the heck has all the Mankai duckweed just sitting around? —Perri O. Blumberg, Men's Health, 29 Mar. 2023

Word History

First Known Use

15th century, in the meaning defined above

Rhymes for duckweed

• accede
• agreed
• airspeed
• alkyd
• bindweed
• chickweed
• concede
• decreed
• exceed
• flaxseed
• impede
• indeed

Kids Definition

duckweed

noun

duck·​weed ˈdək-ˌwēd 

: a tiny stemless plant that floats without attachment on the surface of a body of still water (as a pond)