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  1. a male given name, form of William.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for willis


  1. Norman (David). born 1933, British trade union leader; general secretary of the Trades Union Congress (1984–93)
  2. Ted. Baron Willis of Chislehurst. 1918–92, British author. His works include the play Hot Summer Night (1959) and the novel Death May Surprise Us (1974)
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

willis in Medicine


  1. English anatomist and physician known for his studies of the nervous system and the brain. He discovered the circle of Willis at the base of the brain.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.