| duckweed | <botany> A genus (Lemna) of small plants, seen floating in great quantity on the surface of stagnant pools fresh water, and supposed to furnish food for ducks. Synonym: duckmeat. Source: Websters Dictionary (01 Mar 1998) |
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| duckweed | any small or minute aquatic plant of the family Lemnaceae that float on or near the surface of shallow ponds |
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| duckweed | family of small free-floating thalloid plants |
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