noun
arrowhead (edible corm); Sagittaria trifolia var. edulis
Refers to the edible corm of the threeleaf arrowhead plant, a traditional vegetable in Japanese cuisine, especially eaten during New Year's celebrations.
おせち料理にはクワイが入っていることが多い。
Arrowhead corms are often included in New Year's dishes.
クワイの煮物はほくほくした食感が楽しめる。
Simmered arrowhead corms have a pleasant, floury texture.
The Japanese name くわい is derived from the Chinese name for the plant. The kanji 慈姑 are ateji.