artery UK /ˈɑː.tə.ɹi/US /ˈɑɹ.təɹ.i/ noun2 •Any of the muscular- and elastic-walled blood vessels forming part of the circulation system by which blood is conveyed away from the heart regardless of its oxygenation status; see pulmonary artery. •A major transit corridor in a system of roads, rivers, or railway lines.But the importance of the railways as main arteries of the national economy remains undimmed, just as their fascination for the railway enthusiast is surely undiminished. — 1951 formsarteries
