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|Noun||1.||watermeal - any of various aquatic plants of the genus Wolffia; throughout warmer regions of the world|
duckweed - any small or minute aquatic plant of the family Lemnaceae that float on or near the surface of shallow ponds
genus Wolffia, Wolffia - minute rootless aquatic herbs having globular fronds floating on or near the water surface and bearing one flower per frond
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