Aortal: Pertaining to the aorta, the largest artery in the body. Aortal is not often encountered (except in The New York Times crossword). The preferred term is aortic. From Healthy Heart Resources Diagnosing Hypertrophic CardiomyopathyExercising With HCM: How to Sweat SafelyWhen Chronic Heart Failure Gets Worse Featured Centers What Are the Best PsA Treatments for You?Understanding Biologics 10 Things People With Depression Wish You Knew