主脉 zhǔmài midrib Definitions Defs Origin Strokes Stroke Words Sentences Sents zhǔmài midrib · main mountain range 主 zhǔ adjective main main; primary; principal; most important脉 脈 mài nounproper noun vein (bound form) blood vessels such as arteries and veins; veins found in leaves or insect wings; a geological or biological structure that branches out, such as a mountain range or a mineral veinzhǔmài main thread 主 zhǔ adjective main main; primary; principal; most important脉 脈 mài noun lineage (bound form) an interconnected sequence or system, such as a family bloodline or a train of thought