PAK CHOI Meaning of PAK CHOI in English [ pak'tʃɔɪ ](also N. Amer. bok choy ) ■ noun a Chinese cabbage of a variety with smooth-edged tapering leaves.Originfrom Chin. (Cantonese dialect) paâk ts'oì 'white vegetable'. Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004