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.

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plexus British  

/ ˈplɛksəs /

noun

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

2. an intricate network or arrangement

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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

“You can’t breathe, you can’t feel. The ties are on your solar plexus, not on your waist.”

From New York Times • Oct. 7, 2022

After this one, he touches my solar plexus with his outspread hand, adding, “What slumbers in the heart is what slumbers in the stone, understand?”

From "I'll Give You the Sun" by Jandy Nelson