Definition of "bok choy" []

• A Chinese vegetable (Brassica rapa subsp. chinensis) in the mustard family, having a loose head of dark green leaves with thick white stems. Also called celery cabbage, Chinese cabbage. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.