Definition of vade mecum
1 : a book for ready reference : manual
2 : something regularly carried about by a person
Did You Know?
Vade mecum is Latin for go with me (it derives from the Latin verb vadere, meaning "to go.") In English, "vade mecum" has been used (since at least 1629) of manuals or guidebooks sufficiently compact to be carried in a deep pocket. But from the beginning, it has also been used for such constant companions as gold, medications, and memorized gems of wisdom.
Origin and Etymology of vade mecum
Latin, go with me
First Known Use: 1629
Learn More about vade mecum
Seen and Heard
What made you want to look up vade mecum? Please tell us where you read or heard it (including the quote, if possible).