blood vessel

noun

: any of the vessels through which blood circulates in the body

Examples of blood vessel in a Sentence

Recent Examples on the Web
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These conditions reinforce one another over time, quietly damaging blood vessels and organs long before a heart attack or kidney failure occurs. Jia Shen, San Diego Union-Tribune, 25 Feb. 2026 When bleeding or swelling inside one of these compartments builds up, pressure rises and begins to squeeze the muscles, nerves and blood vessels. Mia Fishman, CNN Money, 23 Feb. 2026 Dark Chocolate Dark chocolate contains flavonoids, which are plant compounds that may help improve blood vessel flexibility. Lindsey Desoto, Health, 23 Feb. 2026 Your blood vessels narrow in a process called vasoconstriction to conserve heat. Alyssa Ages, Outside, 22 Feb. 2026 See All Example Sentences for blood vessel

Word History

First Known Use

1655, in the meaning defined above

Time Traveler
The first known use of blood vessel was in 1655

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Cite this Entry

“Blood vessel.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/blood%20vessel. Accessed 27 Feb. 2026.

Kids Definition

blood vessel

noun
: a vessel (as an artery or vein) in which blood circulates in the body of an animal

Medical Definition

blood vessel

noun
: any of the vessels through which blood circulates in the body

More from Merriam-Webster on blood vessel

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