arteria pulmonalis ar·te·ria·pulmonalis uncommon noun 1. one of two arteries (branches of the pulmonary trunk) that carry venous blood from the heart to the lungs Synonymspulmonary arteryarteria pulmonalis Related words Broader terms artery Narrower terms pulmonary trunk WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.