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
Prosecutors allege Malek posed as a medical doctor to diagnose patients with arterial disease and recommend atherectomies, even though the patients did not have the condition. — Louis Casiano, FOXNews.com, 22 Oct. 2026 According to the district attorney's office, the charges come after multiple accidents, including one that left an 11-year-old with a broken collarbone and an arterial bleed and another in which a 13-year-old died after crashing into a light pole. — ABC News, 22 Oct. 2026
Noun
Routine mammograms can show breast arterial calcifications (BACs), which are calcium deposits in the vessels of the breast. — Ava Tsapatsaris, ABC News, 1 Oct. 2026 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 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 25 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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