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WordReference Random House Unabridged Dictionary of American English © 2024wa′ter shield′, - Plant BiologyAlso called water target. an aquatic plant, Brasenia schreberi, of the water lily family, having purple flowers, floating, elliptic leaves, and a jellylike coating on the underwater stems and roots.
- Plant Biologya fanwort, esp. Cabomba caroliniana. See illus. under dimorphism.
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