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water chestnut
- ☆
- a Chinese sedge (Eleocharis dulcis) with erect, cylindrical leaves, growing in dense clumps in water
- the large, button-shaped, submerged tubers of this plant, used in Chinese cooking
- a floating aquatic weed (Trapa natans) of the water-chestnut family, with black, hard, horned fruit, the seed of which is sometimes eaten
adjective
designating a family (Trapaceae, order Myrtales) of floating, aquatic dicotyledonous plants
See water chestnut in American Heritage Dictionary 4
noun
- A floating aquatic plant (Trapa natans) native to Eurasia and Africa, bearing four-pronged nutlike fruit and grown as a pond or aquarium ornamental. Also called caltrop, water caltrop.
- a. A tropical Asian aquatic sedge (Eleocharis dulcis) having an edible corm and cylindrical leaves.b. The succulent corm of this plant, used in Asian cooking. Also called Chinese water chestnut.
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