from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A useful thing that one constantly carries about.
- n. A book, such as a guidebook, for ready reference.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A referential book such as a handbook or manual.
- n. A useful object, constantly carried on one’s person.
from the GNU version of the Collaborative International Dictionary of English
- A book or other thing that a person carries with him as a constant companion; a manual; a handbook.
from The Century Dictionary and Cyclopedia
- n. A book or other thing that a person carries with him as a constant companion; a pocket-companion; a manual; a handbook.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a concise reference book providing specific information about a subject or location
Their teachings and monitions have been the political vade mecum of my life.
William Dean Howells devoted two long reviews to it, and overnight the book became the vade mecum of the intelligentsia of the day: as an eminent sociologist told Veblen, “It fluttered the dovecotes of the East.”