Definitions for vade mecumˈveɪ di ˈmi kəm, ˈvɑ-
Random House Webster's College Dictionary
va•de me•cumˈveɪ di ˈmi kəm, ˈvɑ-(n.)(pl.)vade me•cums.
something a person carries about for frequent or regular use.
a book for ready reference; manual; handbook.
Origin of vade mecum:
1620–30; < L vāde mēcum lit., go with me
handbook, enchiridion, vade mecum(noun)
a concise reference book providing specific information about a subject or location
A referential book such as a handbook or manual.
A useful object, constantly carried on oneu2019s person.
Origin: From the vade, the second-person singular present active imperative of vado + mecum, literally meaning "go with me!".
a book or other thing that a person carries with him as a constant companion; a manual; a handbook