noun tat·soi \ˈtät-ˈsȯi\

Definition of tatsoi

  1. :  an Asian mustard (Brassica rapa rosularis) having a rosette of edible dark green spoon-shaped glossy leaves; also :  the leaves

Origin and Etymology of tatsoi

Chinese (Guangdong) daat-choi, from daat- sink, fall flat + choi vegetable (or from a cognate compound in another Chin dialect)

First Known Use: 1987

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