WordNet (r) 3.0 (2006):
bok choy n 1: Asiatic plant grown for its cluster of edible white stalks with dark green leaves [syn: bok choy, bok choi, pakchoi, pak choi, Chinese white cabbage, Brassica rapa chinensis] 2: elongated head of dark green leaves on thick white stalks [syn: bok choy, bok choi]