water caltrop; water chestnut
Refers to the aquatic plant Trapa japonica and its edible nut. Often used in the context of traditional Japanese food or pond vegetation.
Water caltrops are floating on the pond.
A historical spiked weapon scattered on the ground to hinder cavalry or foot soldiers. Also known as 撒菱 (まきびし).
The ninja scattered caltrops as they fled.
The nuts of the water caltrop can be boiled and eaten.
diamond-shaped mochi
flower-shaped family crest
Trapa incisa; a species of water caltrop
caltrop; puncturevine; goathead
Standard kanji spelling for the plant and the weapon.
Katakana spelling, often used in botanical or scientific contexts.
The kanji 菱 is used for its meaning 'water caltrop' and by extension for the diamond-shaped weapon. The reading ひし is native Japanese.