arteria coronaria ar·te·ria·coronaria uncommon noun 1. the artery that branches from the aorta to supply blood to the heart Synonymscoronary arteryarteria coronaria Related words Broader terms artery Narrower terms atrial arteryright coronary arteryleft coronary artery Parts heart WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.