guideword

/ˈɡaɪdˌwɜrd/
noun
  1. A word printed at the top of a page in a dictionary or other reference book to indicate the first or last entry on that page.
    • The guidewords help you find words faster without scanning every entry.
    • I looked at the guideword at the top of the page to see if 'guitar' would be in this section.
    • In many dictionaries, the left page shows the guideword for the first entry and the right page for the last.
Synonyms
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