noun
winter vegetables; winter greens
General term for vegetables that are in season during winter, such as leafy greens and root vegetables.
冬菜をたっぷり使った鍋料理は体が温まる。
Hot pot dishes made with plenty of winter vegetables warm you up.
noun
tang cai; tong choi; tong choy
Refers specifically to a Chinese leafy green vegetable (often water spinach or similar) known by these names in some regions. This sense may be less common in everyday Japanese.
中華料理店で冬菜の炒め物を注文した。
I ordered stir-fried tong choi at a Chinese restaurant.