VADE MECUM Meaning of VADE MECUM in English vade mecum BrE AmE ˌvɑːd i ˈmeɪ kəm ˌwɑːd-, ˌ•eɪ-, -kʊm; ˌveɪd i ˈmiː-, -kʌm ▷ vade mecum|s z Longman Pronunciation English Dictionary. Английский словарь произношений Longman. 2012