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British Dictionary definitions for middlesex


  1. a former county of SE England: became mostly part of N and W Greater London in 1965Abbreviation: Middx
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 middlesex


literally "(land of the) Middle Saxons" (those between Essex and Wessex); originally a much larger region. See middle + Saxon.

Online Etymology Dictionary, © 2010 Douglas Harper