water chestnut

noun

Definition of water chestnut

1 : any of a genus (Trapa, especially T. natans of the family Trapaceae, the water-chestnut family) of Old World aquatic herbs sometimes grown as ornamentals; also : its edible nutlike spiny fruit
2 : a whitish crunchy vegetable used especially in Chinese cooking that is the peeled and often sliced tuber of a sedge (Eleocharis dulcis synonym E. tuberosa) native to Asia but widely cultivated elsewhere; also : the tuber or the sedge itself

Recent Examples of water chestnut from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'water chestnut.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of water chestnut

1597

in the meaning defined at sense 1

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WATER CHESTNUT Defined for English Language Learners

water chestnut

Definition of water chestnut for English Language Learners

  • : the white root of a plant that grows in water and that is often used in Chinese cooking


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