LATIN DICTIONARYLexicon Latīnum
proper noun

Porthmeus

Meaning

  1. the ferryman

Porthmeus (dissyl.), ĕi and ĕos, m., = Πορθμεύς,
I. the ferryman, a name given to Charon (poet.): navita Porthmeus, Petr. 121.—Acc. Porthmea, Juv. 3, 266.

Quick answers

What does Porthmeus mean in Latin?
Porthmeus, a proper noun, means “the ferryman”.