1. A large blood vessel that carries oxygenated blood from the heart to various parts of the body
The aorta is the major artery that carries blood from the heart.
A aorta é a artéria principal que carrega sangue do coração.
2. In a figurative sense, a crucial route, passage, or means of transportation
The highway is a major artery for commerce in the region.
A rodovia é uma artéria principal para o comércio da região.