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[nek-suh s]
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noun, plural nex·us·es, nex·us.
  1. a means of connection; tie; link.
  2. a connected series or group.
  3. the core or center, as of a matter or situation.
  4. Cell Biology. a specialized area of the cell membrane involved in intercellular communication and adhesion.
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Origin of nexus

1655–65; < Latin nexus a binding, joining, fastening, equivalent to nect(ere) to bind, fasten, tie + -tus suffix of v. action, with tt > s
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for nexus


noun plural nexus
  1. a means of connection between members of a group or things in a series; link; bond
  2. a connected group or series
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Word Origin

C17: from Latin: a binding together, from nectere to bind
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

Word Origin and History for nexus


1660s, "bond, link, means of communication," from Latin nexus "that which ties or binds together," past participle of nectere "to bind," from PIE root *ned- "to bind, tie" (see net (n.)).

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Online Etymology Dictionary, © 2010 Douglas Harper

nexus in Medicine


n. pl. nexus
  1. gap junction
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.