arterial

1 of 2

adjective

Synonyms of arterialnext
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

arterial

2 of 2

noun

: a through street or highway

Examples of arterial in a Sentence

Noun one of the main arterials connecting the airport with the city
Recent Examples on the Web
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Adjective
Researchers tracked sleep with a wearable device and measured blood pressure, blood oxygen, arterial stiffness and surface temperature before and after. — Samantha Agate, Miami Herald, 22 Sep. 2026 The Interstate 215 corridor is the arterial mainline of California affordable housing, bristling with so many expanding housing developments that demand is outpacing what’s available in the traditional insurance market. — Paige St. John, Los Angeles Times, 20 Sep. 2026
Noun
Washington is one of three major arterial east-west roadways connecting Waukegan with much of Lake County, according to the documents. — Steve Sadin, Chicago Tribune, 23 Sep. 2026 David Daniel, 43, who lives in Silver Springs, was fishing off Boca Grande Key, about 14 miles west of Key West, when the shark bit him on the foot, causing a serious arterial bleed, his friend Robyn Corliss wrote in the GoFundMe post. — David Goodhue, Miami Herald, 26 Aug. 2026 See All Example Sentences for arterial

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

Time Traveler
The first known use of arterial was in the 15th century

Browse Nearby Words

Cite this Entry

“Arterial.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/arterial. Accessed 1 Oct. 2026.

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
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
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