vade mecum

[ vey-dee mee-kuhm, vah- ]
/ ˈveɪ di ˈmi kəm, ˈvɑ- /
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noun, plural va·de me·cums.
something a person carries about for frequent or regular use.
a book for ready reference; manual; handbook.
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“Was” is used for the indicative past tense of “to be,” and “were” is only used for the subjunctive past tense.

Origin of vade mecum

First recorded in 1620–30; from Latin vāde mēcum literally, “go with me”
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

How to use vade mecum in a sentence

British Dictionary definitions for vade mecum

vade mecum
/ (ˈvɑːdɪ ˈmeɪkʊm) /

a handbook or other aid carried on the person for immediate use when needed

Word Origin for vade mecum

C17: from Latin, literally: go with me
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012