plexus

American  

[plek-suhs] / ˈplɛk səs /

noun

plural

plexuses, plexus

1. a network, as of nerves or blood vessels.

2. any complex structure containing an intricate network of parts.

   the plexus of international relations.

---

plexus British  

/ ˈplɛksəs /

noun

1. any complex network of nerves, blood vessels, or lymphatic vessels

2. an intricate network or arrangement

---

Etymology

Origin of plexus

1675–85; < New Latin: an interweaving, twining, equivalent to Latin plect(ere) to plait, twine + -tus suffix of v. action

Example Sentences

"That would have been a big punch in the solar plexus for Brennan," says Blake.

From BBC • Nov. 12, 2025

Importantly, this feature was preserved during aging, even when the nasopharyngeal lymphatic plexus had shrunk and was functionally impaired.

From Science Daily • Jan. 26, 2024

My solar plexus warmed in the familiar way then — as though here, too, might be an opening for me to see my way through to a life populated with more desire than dread.

From Los Angeles Times • Feb. 15, 2023

Its tension seeps into your limbs, settles tautly in your solar plexus and does not leave.

From New York Times • Nov. 15, 2022

A knot started forming, right in the middle of my solar plexus.

From "Darius the Great Is Not Okay" by Adib Khorram