The Collaborative International Dictionary
Trapa natans
Saligot \Sal"i*got\, n. [F.] (Bot.) The water chestnut ( Trapa natans).
Trapa natans
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.