the edible enlarged tuber of a SE Asian sedge, commonly used in Chinese cookery
an aquatic plant with white flowers, floating leaves arranged in a rosette, and edible nutlike fruits. Also called caltrop
a SE Asian sedge cultivated for its edible enlarged tubers: Eleocharis tuberosa
a tuber of this plant, commonly used in Chinese cookery
an aquatic plant with white flowers, floating leaves arranged in a rosette and narrow rootlike submerged leaves: Trapa natans. Also called caltrop
the edible nutlike spiny-angled fruit of this plant. Also called caltrop