choi sum

A form of choy sum — A Chinese vegetable, a variety of Brassica rapa parachinensis subspecies, similar to bok choy but slimmer, with smooth green leaves and pale green stems, and clusters of flowers on the tips of the inner shoots.

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Meanings

nounchoi sum (uncountable)
  1. alternativeuncountableAlternative spelling of choy sum.

    A little oval plate of steamed Chinese greens in oyster sauce interests me more than any other vegetable. Even asparagus. It could be the tender-stemmed and elegant choi sum, the purple-veined spinach or the fat, leafy bulbs of pak choi.

    2001 April 29, Nigel Slater, “Choi rider”, in The Observer, →ISSN, archived from the original on 09 May 2014
Cite this entry
APA

choi sum. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/choi%20sum

MLA

“choi sum.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/choi%20sum. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “choi sum,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/choi%20sum.

Source: choi sum on Wiktionary, CC BY-SA 4.0.