木麻黄 mùmáhuáng horsetail tree Definitions Defs Origin Strokes Stroke Words Sentences Sents 木 mù noun tree (bound form) tree; plant life麻黄 麻黃 máhuáng ephedra A family of perennial shrubs with slender, jointed stems and scale-like leaves, used in traditional medicine; the stems are the source of the alkaloid ephedrine.