adj.
Pronunciation: är- ' tir- ē - ə l
Function: adjective
Date: 15th century
1 a : of or relating to an artery b : relating to or being the bright red blood present in most arteries that has been oxygenated in lungs or gills
2 : of, relating to, or constituting through traffic
– ar · te · ri · al · ly \ - ē - ə -l ē \ adverb