plexus

noun

plex·​us ˈplek-səs How to pronounce plexus (audio)
plural plexuses ˈplek-sə-səz How to pronounce plexus (audio)
Synonyms of plexusnext
1
: a network of anastomosing or interlacing blood vessels or nerves
2
: an interwoven combination of parts or elements in a structure or system

Examples of plexus 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.
The word complexity comes from the Latin plexus, which means intertwined. — Carlos Gershenson, The Conversation, 11 Dec. 2025 Nerve blocks, which pinpoint groups of nerves (a plexus or ganglion), can be administered to block pain receptors and reset function. — Dr. Patricia Richard, Hartford Courant, 14 Apr. 2026 The nervous system manages the entire lower body through an intricate web of nerves called the lumbar plexus, which is embedded through the psoas. — Literary Hub, 7 May 2025 It is primarily produced by a network of cells called the choroid plexus, which is located in the brain’s ventricles or cavities. — Danielle Wilhour, Discover Magazine, 15 Aug. 2024 See All Example Sentences for plexus

Word History

Etymology

New Latin, from Latin plectere to braid — more at ply

First Known Use

1666, in the meaning defined at sense 1

Time Traveler
The first known use of plexus was in 1666

Phrases Containing plexus

Rhymes for plexus

See All Rhymes for plexus

Browse Nearby Words

plexure
plexus
plf
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Cite this Entry

“Plexus.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/plexus. Accessed 8 Jul. 2026.

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Kids Definition

plexus

noun
plex·​us ˈplek-səs How to pronounce plexus (audio)
plural plexuses
: a network especially of blood vessels or nerves

Medical Definition

plexus

noun
plex·​us ˈplek-səs How to pronounce plexus (audio)
plural plexuses
: a network of anastomosing or interlacing blood vessels or nerves

More from Merriam-Webster on plexus

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