Definition of "arterial" []

• Of, like, or in an artery or arteries. (adjective)
• Of, relating to, or being the blood in the arteries that has absorbed oxygen in the lungs and is bright red. (adjective)
• Being a main road or channel with many branches: an arterial highway; an arterial route. (adjective)
• A through road or street. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "The ad says the drink leads to a "30% decrease in arterial plaque" and "17% improved blood flow.""
• "The bus driver was speeding down a side street and ran full force across a main arterial, again against a light."
• "One can conclude from this and from many other analogous facts that, when appreciable capillary dilation occurs, it cannot be because of a simple rise in arterial blood pressure but must depend on change in condition of the capillary walls - a relaxation of their contractile elements."