1. major roads or highways that carry traffic between areas
Usage: plural of arterial
2. main blood vessels that carry blood away from the heart
Usage: medical; plural of arterial

Examples

• The city plans to widen several arterials to reduce traffic congestion.
• Emergency vehicles use the arterials to reach accidents quickly.
• Most arterials in the downtown area have multiple lanes.
• The surgeon examined the blocked arterials during the procedure.
• Traffic lights control the flow at major arterials.
• The arterials showed signs of narrowing in the scan.
• Construction crews are repaving the arterials this summer.