Portus Magnus

Unadapted borrowing from Latin Portus Magnus.

Portus Magnus

1. (historical) A number of ports and other places in the Roman Empire.
   1. (historical) A port, a suburb of Alexandria, Egypt, Roman Empire; the Roman-era version of the Port of Alexandria.

      Coordinate term: Port of Alexandria

portus (“port, seaport”) +‎ magnus (“grand, great, large, vast”)

• (Classical Latin) IPA^(key): [ˈpɔr.tʊs ˈmaŋ.nʊs]
• (modern Italianate Ecclesiastical) IPA^(key): [ˈpɔr.tus ˈmaɲ.ɲus]

Portus Magnus m sg (genitive Portī Magnī); second declension

1. (historical) Portus Magnus: a number of places in the Roman Empire
   1. (historical) a number of ports in the Roman Empire
      1. (historical) a port, a suburb of Alexandria, Egypt, Roman Empire; the Roman-era version of the Port of Alexandria
2. (historical) Bethioua (a city in Mauretania, Roman Empire, in modern day Algeria)

• (Mauretania): Sometimes misapplied, particularly under French colonial rule, to nearby Arzew.

Second-declension noun with a second-declension noun, singular only.

• English: Portus Magnus