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

Portus Dīves

Portus Dīves m sg (genitive Portūs Dīvetis)
Ecclesiastical[ˈpɔr.tus ˈdiː.ves]

Meaning

  1. New LatinPuerto Rico (a commonwealth, island and dependent territory of the United States in the Caribbean)

Declension

declension
formsingularplural
nominativePortus Dīves—
genitivePortūs Dīvetis—
dativePortuī Dīvetī—
accusativePortum Dīvetem—
ablativePortū Dīvetī
Portū Dīvete		—
vocativePortus Dīves—
locativePortū Dīvetī
Portū Dīvete		—

Origins

Calque of Spanish Puerto Rico.

Quick answers

What does Portus Dīves mean in Latin?
Portus Dīves, a proper noun, means “Puerto Rico (a commonwealth, island and dependent territory of the United States in the Caribbean)”.
What is the genitive of Portus Dīves?
The genitive singular is Portūs Dīvetis. Portus Dīves is variously declined, fourth declension, third declension.