1. the artery that carries venous blood from the right ventricle of the heart and divides into the right and left pulmonary arteries; [syn: pulmonary trunk, truncus pulmonalis]
WordNet (r) 3.0 (2006):
pulmonary trunk
n 1: the artery that carries venous blood from the right
ventricle of the heart and divides into the right and left
pulmonary arteries [syn: pulmonary trunk, truncus
pulmonalis]