vascular

adjective

vas·​cu·​lar ˈva-skyə-lər How to pronounce vascular (audio)
: of, relating to, or affecting a channel for the conveyance of a body fluid (such as blood of an animal or sap of a plant) or a system of such channels
vascular cells
vascular diseases
a vascular surgeon
also : supplied with or made up of such channels and especially blood vessels
a vascular tumor
a vascular system

Examples of vascular in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
During a phase of sleep called slow-wave, the brain’s vascular system pulses rhythmically, literally pumping cerebrospinal fluid through its innards and washing them clean. Literary Hub, 17 June 2026 Researchers are also exploring how factors like the APOE (apolipoprotein E) gene, inflammation and vascular health may shape long-term cognitive outcomes. Lauryn Higgins, Flow Space, 17 June 2026 Wei Zhang is a postdoctoral researcher of cardiovascular medicine at Yale University and a Public Voices fellow with The OpEd Project, specializing in vascular surgery and public health. Wei Zhang, Mercury News, 13 June 2026 The endothelium lines our vessels and is closely linked to vascular health. Teresa Maalouf, Verywell Health, 12 June 2026 See All Example Sentences for vascular

Word History

Etymology

borrowed from New Latin vāsculāris, from Latin vāsculum "small vessel" (from vās "container" + -culum, diminutive suffix) + -āris -ar — more at vas

First Known Use

circa 1673, in the meaning defined above

Time Traveler
The first known use of vascular was circa 1673

Browse Nearby Words

Cite this Entry

“Vascular.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/vascular. Accessed 23 Jun. 2026.

Kids Definition

vascular

adjective
vas·​cu·​lar ˈvas-kyə-lər How to pronounce vascular (audio)
: of or relating to a tube or channel for carrying a body fluid (as blood of an animal or sap of a plant) or to a system of such channels or tubes
also : supplied with or made up of such channels or tubes
a vascular system
vascular tissue

Medical Definition

vascular

adjective
vas·​cu·​lar ˈvas-kyə-lər How to pronounce vascular (audio)
1
: of, relating to, constituting, or affecting a tube or a system of tubes for the conveyance of a body fluid (as blood or lymph)
vascular disease
vascular surgical techniques
2
: supplied with or containing ducts and especially blood vessels
a vascular tumor
the vascular layer of the skin

More from Merriam-Webster on vascular

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster