Vademecum/Vade mecum is a small handbook (particularly a medical handbook but sometimes a religious one) intended to be carried by the owner at all times as a ready reference and memory jogger. The term means literally "go with me".
Vademecum is also a brand of mouthwash.
Vade Mecum is also a Plucker document reader for the Pocket PC
External links
Vademecum in opus Saxonis et alia opera Danica compendium ex indice verborum - a Medieval Latin dictionary
Vade Mecum - a Plucker document reader for the Pocket PC
