Ar‐te″ri‐al (�), a. [Cf. F. artériel.] 1. Of or pertaining to an artery, or the arteries; as, arterial action; the arterial system.
2. Of or pertaining to a main channel (resembling an artery), as a river, canal, or railroad.
Arterial blood, blood which has been changed and vitalized (arterialized) during passage through the lungs.