Water-chestnut definition

wôtərchesnət
A floating aquatic plant (Trapa natans) native to Eurasia and Africa, cultivated as an ornamental and for its edible four-pronged nutlike fruit, and occurring widely as an aquatic weed.
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A tropical Asian aquatic sedge (Eleocharis dulcis) having cylindrical stems and widely cultivated for its edible corm.
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The crisp nutty corm of this plant, used in Asian cooking.
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A floating aquatic weed (Trapa natans) of the water-chestnut family, with black, hard, horned fruit, the seed of which is sometimes eaten.
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A Chinese sedge (Eleocharis dulcis) with erect, cylindrical leaves, growing in dense clumps in water.
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The large, button-shaped, submerged tubers of this plant, used in Chinese cooking.
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Designating a family (Trapaceae, order Myrtales) of floating, aquatic dicotyledonous plants.
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(uncountable) Eleocharis dulcis, grown for its edible corm, used in Asian cooking.
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(countable) A corm of a plant of this species.
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Water caltrop.
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Other Word Forms

Noun

Singular:
water-chestnut
Plural:
water-chestnuts