regum
Regum is the genitive plural form of the Latin noun rex, meaning “of kings.” In Latin grammar, regum functions as a possessive modifier, indicating something belonging to or associated with kings. It is not a standalone noun in the sense of a simple headword; its form and meaning arise from the noun rex.
The corresponding nominative singular is rex (king), and the nominative plural is reges (kings). The related
In historical and literary contexts, regum is encountered in inscriptions, poetry, and prose to reference royal
Modern uses of the term regum are limited and typically arise in contexts that draw on Latin