RhymeZone: tatsoi definitions

Definitions of tatsoi:

noun: Brassica rapa subsp. narinosa (syns. Brassica narinosa, Brasica rapa var. narinosa, Brassica rapa var. rosularis), an Asian variety of Brassica rapa grown for greens, lately popular in North American cuisine.

(Definitions from Wiktionary)