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Definition of Trapa natans
1. Noun. A variety of water chestnut. 
Exact synonyms: Jesuits' Nut, Water Caltrop
Generic synonyms: Caltrop, Water Chestnut, Water Chestnut Plant
Generic synonyms: Caltrop, Water Chestnut, Water Chestnut Plant
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1. Noun. A variety of water chestnut.