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water chestnut | edible bulbous tuber of a Chinese marsh plant | ||
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water chestnut, Chinese water chestnut, Eleocharis dulcis | Chinese sedge yielding edible bulb-shaped tubers ❲Eleocharis dulcis❳ | ||
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water chestnut, caltrop, water chestnut plant | a plant of the genus Trapa bearing spiny four-pronged edible nutlike fruits |