Akademik

1. a plant of the genus Trapa bearing spiny four-pronged edible nutlike fruits

2. Chinese sedge yielding edible bulb-shaped tubers

3. edible bulbous tuber of a Chinese marsh plant

noun, pl ⋯ -nuts [count]

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

ˈwater chestnut [water chestnut] noun

the thick round white root of a tropical plant that grows in water, often used in Chinese cooking