LATIN DICTIONARYLexicon Latīnum
proper noun · masculinesecond declension

Harrius

Harrius m sg (genitive Harriī or Harrī)
Classical[ˈhar.ri.ʊs]Ecclesiastical[ˈar.ri.us]

Meaning

  1. New LatinmasculinesingularLatinisation of Harry

Declension

declension
formsingularplural
nominativeHarrius—
genitiveHarriī
Harrī		—
dativeHarriō—
accusativeHarrium—
ablativeHarriō—
vocativeHarrī—

Origins

From the British English proper name Harry, used in the Latin translations of the first two Harry Potter books.

Quick answers

What does Harrius mean in Latin?
Harrius, a proper noun, means “Latinisation of Harry”.
What is the genitive of Harrius?
The genitive singular is Harriī. Harrius is masculine, second declension.
How do you pronounce Harrius?
In classical Latin, [ˈhar.ri.ʊs]; in ecclesiastical (church) Latin, [ˈar.ri.us].