| water chestnut 
  
 
 1. a plant of the genus Trapa bearing spiny four-pronged edible nutlike fruits
 • Syn:
 water chestnut plant, caltrop
 • Hypernyms:
 aquatic plant, water plant, hydrophyte, hydrophytic plant
 • Hyponyms:
 water caltrop, Jesuits' nut, Trapa natans, ling, ling ko, Trapa bicornis
 • Member Holonyms:
 Trapa, genus Trapa
 2. Chinese sedge yielding edible bulb-shaped tubers
 • Syn:
 Chinese water chestnut, Eleocharis dulcis
 • Hypernyms:
 spike rush
 3. edible bulbous tuber of a Chinese marsh plant
 • Hypernyms:
 tuber
 • Part Holonyms:
 Chinese water chestnut, Eleocharis dulcis
 
 
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