LATIN DICTIONARYLexicon Latīnum
adverb

quibuscum

quibuscum (not comparable)
Classical[ˈkʷɪ.bʊs.kũː]Ecclesiastical[ˈkʷiː.bus.kum]

Meaning

  1. not comparablewith whom (plural)

Latīnē defined in Latin in our graded readers

Origins

From quibus (“who”) + -cum (“with”).

Quick answers

What does quibuscum mean in Latin?
quibuscum, a adverb, means “with whom (plural)”.
How do you pronounce quibuscum?
In classical Latin, [ˈkʷɪ.bʊs.kũː]; in ecclesiastical (church) Latin, [ˈkʷiː.bus.kum].