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headword

[hed-wurd]
noun
  1. a word, phrase, or the like, appearing as the heading of a chapter, dictionary or encyclopedia entry, etc.
  2. catchword(def 2).
  3. head(def 26).
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Origin of headword

First recorded in 1815–25; head + word
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for headword

headword

noun
  1. a key word placed at the beginning of a line, paragraph, etc, as in a dictionary entry
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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