| English noun: water chestnut | 
| 1. | water chestnut (plant) a plant of the genus Trapa bearing spiny four-pronged edible nutlike fruits | 
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 | Synonyms | caltrop, water chestnut plant | 
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 | Broader (hypernym) | aquatic plant, hydrophyte, hydrophytic plant, water plant | 
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 | Narrower (hyponym) | Jesuits' nut, ling, ling ko, Trapa bicornis, Trapa natans, water caltrop | 
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 | Member meronym | genus Trapa, Trapa | 
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| 2. | water chestnut (plant) Chinese sedge yielding edible bulb-shaped tubers | 
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 | Synonyms | Chinese water chestnut, Eleocharis dulcis | 
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 | Broader (hypernym) | spike rush | 
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 | Part holonym | water chestnut | 
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| 3. | water chestnut (food) edible bulbous tuber of a Chinese marsh plant | 
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 | Broader (hypernym) | tuber | 
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 | Part meronym | Chinese water chestnut, Eleocharis dulcis, water chestnut | 
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