Asiatic plant grown for its cluster of edible white stalks with dark green leaves - bok choy [N. Amer], bok choi [N. Amer], pak choi, Chinese white cabbage, Brassica rapa chinensis
Noun: pak choi
Elongated head of dark green leaves on thick white stalks - bok choy [N. Amer], bok choi [N. Amer]
Derived forms: pakchois, pak chois
Type of: cabbage, chou, crucifer, cruciferous plant