Definition of choi sum in English:

choi sum

(also choy sum)


  • A small Chinese cabbage of a variety with mild-tasting leaves and small edible yellow flowers.

    Brassica rapa variety parachinensis, family Cruciferae

    • ‘I have had great success with growing all these salad leaves in the Thames Valley through the winter, except choy sum and greek cress which are less reliable.’
    • ‘Besides sampling specialities like beef choi sum and sha cha chicken, guests were also treated to a colourful lion dance.’
    • ‘The heavy sauce contrasted badly with the choi sum, which tasted only of water.’
    • ‘There was so much grit in the choi sum that if it was washed in the kitchen then it was washed in sand.’
    • ‘The choy sum were cooked till soft in a savoury sauce that has hints of orange peel in it.’


Chinese ( Cantonese dialect), literally ‘vegetable heart’.


choi sum

/tʃɔɪ ˈsʌm/