Found 2 items, similar to water chestnut.
English → English (WordNet) Definition: water chestnut water chestnut n 1: a plant of the genus Trapa bearing spiny four-pronged edible nutlike fruits [syn: water chestnut plant, caltrop] 2: Chinese sedge yielding edible bulb-shaped tubers [syn: Chinese water chestnut , Eleocharis dulcis] 3: edible bulbous tuber of a Chinese marsh plant
English → English (gcide) Definition: Water chestnut Water chestnut \Wa“ter chest”nut\ (Bot.) The fruit of Trapa natans and Trapa bicornis, Old World water plants bearing edible nutlike fruits armed with several hard and sharp points; also, the plant itself; -- called also water caltrop. [1913 Webster]