LATIN DICTIONARYLexicon Latīnum
proper noun · masculinesecond declension

Terrinius

Terrinius m sg (genitive Terriniī or Terrinī)
Classical[tɛrˈrɪ.ni.ʊs]Ecclesiastical[terˈriː.ni.us]

Meaning

  1. masculinesingulara Roman nomen gentile, gens or "family name" famously held by
  2. masculinesingularTerrinius Gallus, a Roman senator mentioned by Suetonius

Declension

declension
formsingularplural
nominativeTerrinius—
genitiveTerriniī
Terrinī		—
dativeTerriniō—
accusativeTerrinium—
ablativeTerriniō—
vocativeTerrinī—

Quick answers

What does Terrinius mean in Latin?
Terrinius, a proper noun, means “a Roman nomen gentile, gens or "family name" famously held by”.
What is the genitive of Terrinius?
The genitive singular is Terriniī. Terrinius is masculine, second declension.
How do you pronounce Terrinius?
In classical Latin, [tɛrˈrɪ.ni.ʊs]; in ecclesiastical (church) Latin, [terˈriː.ni.us].