arterial

1 of 2

adjective

ar·​te·​ri·​al är-ˈtir-ē-əl 

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

arterially

är-ˈtir-ē-ə-lē 

adverb

arterial

2 of 2

noun

: a through street or highway

Synonyms

Noun

• artery
• avenue
• boulevard
• carriageway [British]
• drag
• drive
• expressway
• freeway
• high road
• highway
• pass
• pike
• road
• roadway
• route
• row
• street
• thoroughfare
• thruway
• trace
• turnpike
• way

Examples of arterial in a Sentence

Noun

one of the main arterials connecting the airport with the city

Recent Examples on the Web

Adjective

With arteriosclerosis, the arterial walls become thickened and less elastic, which can restrict blood flow and make the heart have to work harder to pump blood through the body.1 In atherosclerosis, the artery stiffness is due to plaque buildup within the arterial walls. —Anisha Shah, Verywell Health, 1 Jan. 2025

The second case involved a 64-year-old man with peripheral arterial disease and significant weight loss who had been exposed to bat guano in his attic while planning to use it as fertilizer for marijuana plants. —Dario Sabaghi, Forbes, 17 Dec. 2024

Noun

But much of its route runs along East Washington, an arterial managed by Wisconsin, and the state transportation department prevented Madison from making the entire BRT lane bus-only during rush hour. —David Zipper, Vox, 13 Nov. 2024

In San Antonio, for instance, the city negotiated for years with the Texas DOT to add sidewalks and bike lanes to Broadway, a state arterial with seven lanes. —David Zipper, Vox, 13 Nov. 2024

Word History

Etymology

Adjective

Middle English, borrowed from Middle French and Medieval Latin; Middle French arterial, borrowed from Medieval Latin artēriālis, from Latin artēria — more at artery + -ālis -al entry 1

Noun

noun derivative of arterial entry 1

First Known Use

Adjective

15th century, in the meaning defined at sense 1a

Noun

1920, in the meaning defined above

Phrases Containing arterial

• intra-arterial

Kids Definition

arterial

adjective

ar·​te·​ri·​al

är-ˈtir-ē-əl

1

a

: of or relating to an artery

b

: being the bright red oxygen-rich blood present in most arteries

2

: of, relating to, or being routes for through traffic

arterial highways

arterially

-ē-ə-lē

adverb

Medical Definition

arterial

adjective

ar·​te·​ri·​al är-ˈtir-ē-əl 

1

: of or relating to an artery

2

: relating to or being the bright red blood present in most arteries that has been oxygenated in lungs or gills compare venous sense 3

arterially

-ē-ə-lē 

adverb