or key word
- a word that serves as a key, as to the meaning of another word, a sentence, passage, or the like.
- a word used to encipher or decipher a cryptogram, as a pattern for a transposition procedure or the basis for a complex substitution.
- Also called catchword. Library Science. a significant or memorable word or term in the title, abstract, or text of a document or other item being indexed, used as the index entry.
- Digital Technology. a word used to classify or organize digital content, or to facilitate an online search for information: Search the database for the keyword “Ireland.”
Origin of keyword
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for key-word
Three keys in this bunch; a key-time, a key-book, and a key-word.Quiet Talks on Power
The moment he let fall this key-word, “Politics,” I began to suspect that he was right.A Diplomatic Adventure
S. Weir Mitchell
Co-operation is the key-word, the essence, the very soul of Solaris Farm.Solaris Farm
Milan C. Edson
And without the key-word or key-sentence we shall never be any wiser than we are.In Jeopardy
Van Tassel Sutphen
The key-word of Christianity is love, and its message is grace.The Religions of Japan
William Elliot Griffis
- a word used as a key to a code
- any significant word or phrase, esp a word used to describe the contents of a document
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 key-word
Online Etymology Dictionary, © 2010 Douglas Harper