guideword

  1. Noun.  A watchword; a word or phrase that serves as one's guide.
  2. Noun.  (publishing) A word that is printed at the top or bottom of the page in a reference work, in order to help readers find a specific entry.
  3. Noun.  (chiefly, business) Any of the words in a memo or email that define metadata regarding the message, such as sender, recipient, and subject.

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This entry was last updated on RefTopia from its source on 3/20/2012.