| water chestnut | |
| —n | |
| 1. | Also called: water caltrop a floating aquatic onagraceous plant, Trapa natans, of Asia, having four-pronged edible nutlike fruits |
| 2. | Chinese water chestnut a Chinese cyperaceous plant, Eleocharis tuberosa, with an edible succulent corm |
| 3. | the corm of the Chinese water chestnut, used in Oriental cookery |
| the offspring of a zebra and a donkey. |
| a screen or mat covered with a dark material for shielding a camera lens from excess light or glare. |