芥菜 jiècàigàicài mustard greens Origin Definitions Defs Strokes Stroke Words Sentences Sents 芥菜头 jiècàitóu pickled mustard root the swollen, bulbous root of the leaf mustard plant (Brassica juncea), commonly salted or pickled for use in cooking芥菜籽 jiècàizǐ mustard seed the small round seeds of the mustard plant, used as a spice or to make mustard paste