pak choi

 
Pronunciation: /pak ˈtʃɔɪ/
(North American also bok choy)

noun

[mass noun]
  • a Chinese cabbage of a variety with smooth-edged tapering leaves.
    • Brassica rapa variety chinensis, family Cruciferae

Origin:

from Chinese (Cantonese dialect) paâk ts'oì 'white vegetable'