from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun A book, such as a dictionary or encyclopedia, to which one can refer for authoritative information.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun A
bookproviding factual information.
- noun libraries such a book that may not be
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- noun a book to which you can refer for authoritative facts
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