LATIN DICTIONARYLexicon Latīnum
proper nounvariously declined, fourth declension, second declension

Portus Ostium

Portus Ostium m sg (genitive Portūs Ostiī)
Classical[ˈpɔr.tʊs ˈɔs.ti.ũː]Ecclesiastical[ˈpɔr.tus ˈɔs.ti.um]

Meaning

  1. Portsmouth (a city in southern England)

Declension

declension
formsingularplural
nominativePortus Ostium—
genitivePortūs Ostiī—
dativePortuī Ostiō—
accusativePortum Ostium—
ablativePortū Ostiō—
vocativePortus Ostium—
locativePortū Ostiī—

Quick answers

What does Portus Ostium mean in Latin?
Portus Ostium, a proper noun, means “Portsmouth (a city in southern England)”.
What is the genitive of Portus Ostium?
The genitive singular is Portūs Ostiī. Portus Ostium is variously declined, fourth declension, second declension.
How do you pronounce Portus Ostium?
In classical Latin, [ˈpɔr.tʊs ˈɔs.ti.ũː]; in ecclesiastical (church) Latin, [ˈpɔr.tus ˈɔs.ti.um].