ar·​te·​ri·​al | \ är-ˈtir-ē-əl How to pronounce arterial (audio) \

Definition of arterial

 (Entry 1 of 2)

1a : 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



Definition of arterial (Entry 2 of 2)

: a through street or highway

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Other Words from arterial


arterially \ är-​ˈtir-​ē-​ə-​lē How to pronounce arterial (audio) \ adverb

Examples of arterial in a Sentence

Noun one of the main arterials connecting the airport with the city
Recent Examples on the Web: Adjective The patent indicates the sensors could perform various readings, including blood pressure, vascular age, arterial stiffness, aortic pressure, vascular compliance, stress index, and fatigue levels. Chris Smith, BGR, "What if this is the Galaxy Z Fold 3’s most exciting feature?," 26 Apr. 2021 In his cross-examinations, defense attorney Eric Nelson again worked to show that Floyd could have died from a heart attack or overdose caused by his illicit drug use and underlying health problems, including arterial blockages. Paul Walsh, Star Tribune, "Medical expert: 'In a vise,' George Floyd did everything he could as he struggled to breathe," 8 Apr. 2021 During surgery at AdventHealth, doctors found Patient U.O. had multiple organ injuries, arterial bleeding, cuts to her liver and pancreas, and injuries to her stomach and colon, according to the order. Monivette Cordeiro,, "Orlando doctor facing federal charges banned from performing liposuction after patient death," 31 Mar. 2021 In these two studies some patients who registered that level according to pulse oximetry had a true saturation (as recorded by the arterial blood-gas measure, a method which requires the actual drawing of blood) of less than 88%. The Economist, "How medicine discriminates against non-white people and women," 7 Apr. 2021 Salmonella can also rarely cause arterial infections, endocarditis, arthritis, muscle pain, eye irritation and urinary tract symptoms. Rachel Trent, CNN, "Three months after aflatoxin recall, Midwestern Pet Foods recalls dog and cat foods over salmonella risk," 29 Mar. 2021 At the same time, Jenne doesn’t want the stimulus money to be used as an excuse to keep alive the three new arterial highways the Legislature approved last year. Gray Rohrer,, "Federal COVID-19 aid gives Florida lawmakers a chance to spend big," 13 Mar. 2021 Nearly 84% of fatalities occur on arterial roadways. Megan Taros, The Arizona Republic, "South Phoenix residents press for crosswalks and other upgrades to make pedestrians safer," 12 Mar. 2021 If they are put on a ventilator, some patients require multiple arterial lines for monitoring or catheters for food and fecal matter. al, "“This is war. This is the fight right now,” says Alabama COVID-19 nurse," 25 Dec. 2020 Recent Examples on the Web: Noun Two men were struck and killed while walking across the same stretch of Northeast 82nd Avenue in April, a sobering reminder that the east Portland arterial remains one of the most dangerous roads in the Portland metro area. oregonlive, "‘How many more people have to die?’ 82nd Avenue claimed 2 more lives in April," 1 May 2021 The bulk of pedestrian deaths nationally, 59%, occurred on major arterials — in the Portland region, that’s streets like 82nd Avenue, Tualatin Valley Highway or McLoughlin Boulevard. oregonlive, "Pedestrian traffic deaths spike to highest level since 1988 last year, report finds," 27 Feb. 2020 The proposed speed limits are: 40 mph on arterials where there are low bicycle and pedestrian activity. Paulina Pineda, azcentral, "Tempe may lower its speed limits. The idea is to keep you safer," 20 Nov. 2019 NETs can also worsen arterial plaques by promoting inflammation, cell biologist Venizelos Papayannopoulos of the Francis Crick Institute in London and colleagues found in 2015. Mitch Leslie, Science | AAAS, "New drugs aim to disarm the immune system’s ‘atomic bomb’ cells," 5 Mar. 2020 Outer Division, the wide arterial broadly from 82nd Avenue east to Gresham city limit, will see particular changes. oregonlive, "TriMet celebrates $175 million Division bus project’s beginning; leaders pledge ‘it will pay off’," 24 Jan. 2020 The video shows Kidd riding over one of the street’s speed bumps, infrastructure designed to slow down cars and to dissuade drivers who typically use neighborhood streets to get around busier arterials. Andrew Theen | The Oregonian/oregonlive, oregonlive, "Unipiper hit while riding – on 2 wheels - on SE Portland bike-friendly street," 13 Dec. 2019 The noninvasive procedure, called reactive hyperemia peripheral arterial tonometry, measures blood flow to the fingers during blood pressure inflation and release. Mayo Clinic News Network,, "Common early sign of cardiovascular disease also may indicate cancer risk, study finds," 1 Nov. 2019 Both the neighborhood roads and the major arterials are full of potholes, cracks and spot repairs for problems where a total resurfacing should have been applied., "Letter: Howard County has its priorities wrong on transportation upkeep, repair," 15 Oct. 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'arterial.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of arterial


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


1920, in the meaning defined above

History and Etymology for arterial


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


noun derivative of arterial entry 1

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Time Traveler for arterial

Time Traveler

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

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Statistics for arterial

Last Updated

5 May 2021

Cite this Entry

“Arterial.” Dictionary, Merriam-Webster, Accessed 7 May. 2021.

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More Definitions for arterial


ar·​te·​ri·​al | \ är-ˈtir-ē-əl How to pronounce arterial (audio) \

Medical Definition of arterial

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

Other Words from arterial

arterially \ -​ē-​ə-​lē How to pronounce arterial (audio) \ adverb

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Comments on arterial

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