腘静脉 guójìngmài popliteal vein Definitions Defs Origin Strokes Stroke Words Sentences Sents 腘 膕 guó back of the knee (bound form) the hollow behind the knee; popliteal fossa静脉 靜脈 jìngmài vein A blood vessel that carries blood from parts of the body back to the heart; functions in contrast to the 动脉 dòngmài.