noun
tang cai; Brassica rapa var. toona
A variety of Chinese cabbage; the name is usually written in katakana as トウナ.
トウナは中国野菜の一種で、炒め物によく使われる。
Tang cai is a type of Chinese vegetable often used in stir-fries.
From Chinese 唐菜 (táng cài), literally 'Tang vegetable'.