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from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. A book, such as a dictionary or encyclopedia, to which one can refer for authoritative information.
  • n. See passbook.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A book providing factual information.
  • n. such a book that may not be borrowed.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. a book to which you can refer for authoritative facts


Sorry, no etymologies found.


Sorry, no example sentences found.


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