• WordNet 3.6
    • n plexus a network of intersecting blood vessels or intersecting nerves or intersecting lymph vessels
    • ***
Webster's Revised Unabridged Dictionary
    • Plexus (Anat) A network of vessels, nerves, or fibers.
    • Plexus A network; an intricate or interwoven combination of elements or parts in a coherent structure. "In the perception of a tree the reference to an object is circumscribed and directed by a plexus of visual and other presentations."
    • Plexus (Math) The system of equations required for the complete expression of the relations which exist between a set of quantities.
    • ***
Century Dictionary and Cyclopedia
    • n plexus A network; any collection of intimately coherent parts, as of an argument.
    • n plexus In anatomy, an interlacing of nerves, vessels, or fibers; a net-like arrangement of parts, or the parts so disposed: especially said of certain delicate vascular membranes chiefly composed of minute anastomosing blood-vessels, as the choroid plexus, and of similar arrangements of nerves of the spinal and sympathetic systems.
    • n plexus In mathematics, a system of one-fold relations.
    • n plexus The continuation of the prostatic plexus, supplying the erectile tissue of the penis. Also called cavernous nerves.
    • n plexus Same as gastric plexus .
    • n plexus A secondary plexus of the cæliac, accompanying the gastric artery. Also called coronary plexus.
    • n plexus A large and copiously anastomosing network of veins in the lower wall of the rectum, beneath the mucous coat, from which the hemorrhoidal veins proceed.
    • n plexus A plexus of veins surrounding the base of the prostate, formed mainly from the dorsal veins of the penis.
    • n plexus The lower section of the sacral plexus .
    • n plexus A plexus of veins in the back of the pelvis, tributary to the middle sacral vein.
    • n plexus Same as pampiniform plexus.
    • n plexus Venous channels at the sides of the uterus, and in the broad ligaments, emptying into the ovarian veins.
    • n plexus A plexus derived from the pelvic plexus, distributed to the lower part and side of the bladder, the prostate, and the seminal vesicle.
    • n plexus In botany, the mass of branched and anastomosing filaments of certain algæ.
    • n plexus In physical geography, the irregular and complicated junction of a number of similar features, such as ridges, river channels, etc.
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Chambers's Twentieth Century Dictionary
    • n Plexus a number of things, as veins, nerves, &c., woven together: a network:
    • n Plexus (anat.) an interlacing of nerves, vessels, or fibres
    • ***


Webster's Revised Unabridged Dictionary
L., a twining, braid, fr. plectere, plexum, to twine, braid
Chambers's Twentieth Century Dictionary
L. plexus, a twining—plectĕre, plexum, to twine.


In literature:

He shook his head and grunted as if he had been punched in the solar plexus.
"Breaking Point" by James E. Gunn
Lennon's parry of the knife stab was sheer luck, but not the blow that he drove to the solar plexus.
"Bloom of Cactus" by Robert Ames Bennet
Forrester smiled gently and put a hard fist into Herb's solar plexus.
"Pagan Passions" by Gordon Randall Garrett
Mike had no choice but to slam a hard left into the man's solar plexus.
"Unwise Child" by Gordon Randall Garrett
This I applied over the solar-plexus and to the anterior surface of his body.
"Lincoln's Last Hours" by Charles A. Leale
He wished he knew if and where the Nipe had a solar plexus.
"Anything You Can Do ..." by Gordon Randall Garrett
As he moved toward the St. Nicholas Hotel he kept his Hand on his Solar Plexus.
"Fables in Slang" by George Ade
Wayne spun him over and delivered a hard punch to the solar plexus.
"The Judas Valley" by Gerald Vance
What plexus is overcome and allows the lungs to waste away?
"Philosophy of Osteopathy" by Andrew T. Still
I've just given him a biff in the solar plexus, or mighty near it.
"A Tar-Heel Baron" by Mabell Shippie Clarke Pelton

In news:

Enlarge Chris Clark Plexus No 18 by Gabriel Dawe in the Kendall College of Art and Design Federal Building center.
Shares of supply chain provider Plexus Corp. Plunged Wednesday after it said it had been dropped as a supplier to Juniper Networks Inc, a data network equipment maker.
Plexus loses Juniper's business, shares tumble.
Plexus Corp said it would no longer make switches and network gear for its largest customer.
The timing of the shift isn't known, although Plexus said it expects it to be by the end of the fiscal year.
Plexus Corp Started At Hold By Stifel Nicolaus >PLXS.
Contract electronics manufacturer Plexus Corp. Has laid off 116 employees in the Appleton area.
Plexus reported strong third-quarter earnings last week.
Spiral Plexus will be on exhibit March 11 – June 9, 2012.
Plexus To Build $50M Plant In WI.
Complete details for The Plexus .
Plex Systems, Inc is the new name taken by Plexus Systems, Inc, Auburn Hills, MI, which also renamed its flagship product, Plexus Online, to Plex Online.
Plexus Online Offers Product-Lifecycle-Management Capabilities.
The moment I pull it open, the beat explodes in volume, thudding into my solar plexus, as if I've walked out of an air-conditioned mall into a wall of 110-degree heat.
Soft commodity giant Armajaro Trading Ltd is expanding its presence in cotton with plans to buy medium-sized UK-based Plexus Cotton Ltd, sources familiar with the situation said.