follow Dictionary.com

Love words? Sign up for our Word of the Day!

plexus

[plek-suh s] /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.
Origin
1675-1685
1675-85; < Neo-Latin: an interweaving, twining = Latin plect(ere) to plait, twine + -tus suffix of v. action
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source
Examples from the web for plexus
  • On one question, students must decide whether the trouble is with the cardiopulmonary plexus or the arch of the aorta.
  • If that got you in the solar plexus, you might want to sit down before you keep reading.
  • He is wearing a blue officer's coat and a shirt open to his solar plexus.
  • Sometimes, elderly fellows with their trousers up around their solar plexus still wander in by accident, looking for a tie.
  • The plexus on the vertebral artery is continued on to the basilar, posterior cerebral, and cerebellar arteries.
  • The communications which thus take place form what is called a plexus.
  • At the junction of the yolk-sac and body-stalk each vein is joined by a branch from the vascular plexus of the yolk-sac.
  • The superficial part of the cardiac plexus lies above its bifurcation, between it and the arch of the aorta.
  • The nerves are derived from the cardiac plexus, which are formed partly from the vagi, and partly from the sympathetic trunks.
  • The veins form a close cavernous plexus beneath the mucous membrane.
British Dictionary definitions for plexus

plexus

/ˈplɛksəs/
noun (pl) -uses, -us
1.
any complex network of nerves, blood vessels, or lymphatic vessels
2.
an intricate network or arrangement
Word Origin
C17: New Latin, from Latin plectere to braid, plait
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Cite This Source
Word Origin and History for plexus
n.

1680s, Modern Latin, literally "braid, network," noun use of past participle of Latin plectere "to twine, braid, fold" (see complex (adj.)); used of a network, such as solar plexus "network of nerves in the abdomen" (see solar). Related: Plexal.

Online Etymology Dictionary, © 2010 Douglas Harper
Cite This Source
plexus in Medicine

plexus plex·us (plěk'səs)
n. pl. plexus or plex·us·es

  1. A structure in the form of a network, especially of nerves, blood vessels, or lymphatics.

  2. A combination of interlaced parts; a network.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Cite This Source
plexus in Technology

A modular World-Wide Web server written in Perl by Tony Sanders . Comes with interfaces to allow many other information services to be served via the Web.
Version 3.0m 1994-07-22 (ftp://ftp.earth.com/plexus/).
(1994-07-22)
The Free On-line Dictionary of Computing, © Denis Howe 2010 http://foldoc.org
Cite This Source

Word of the Day

Difficulty index for plexus

Many English speakers likely know this word

Word Value for plexus

15
18
Scrabble Words With Friends

Nearby words for plexus