芥菜頭 jiècàitóu pickled mustard root Origin Definitions Defs Strokes Stroke Words Sentences Sents 芥菜 jiècài noun mustard greens an edible plant with many varieties such as leaf mustard, stem mustard, and root mustard; its spicy seeds are ground into 芥末 jièmo头 頭 tóu nounlocative top the top, end, or tip of an object; the beginning or end of an event