vade mecum
va·de me·cum
noun \ˌvā-dē-ˈmē-kəm, ˌvä-dē-ˈmā-\ plural vade mecums
Definition of VADE MECUM
1
: a book for ready reference : manual
2
: something regularly carried about by a person
Origin of VADE MECUM
Latin, go with me
First Known Use: 1629
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