LATIN DICTIONARYLexicon Latīnum
proper noun · masculinesecond declension

Margus1

Margus m sg (genitive Margī)
Classical[ˈmar.ɡʊs]Ecclesiastical[ˈmar.ɡus]

Meaning

  1. masculinesingularA river of Moesia, now called Morava

Declension

declension
formsingularplural
nominativeMargus—
genitiveMargī—
dativeMargō—
accusativeMargum—
ablativeMargō—
vocativeMarge—

In the Academy Smith's classical dictionaries

GeographyMargusMargus (Μάργος, Strab. xi. p.516; Ptol. 6.10. §§ 1, 4), the chief river of the province of Margiana, which in all probability derives its name from it…GeographyMargusMargus (Μάργος, Strab. vii. p.318; Margis, Plin. Nat. 3.26. s. 29), an important river of Moesia, which flows into the Danube, near the town of Margum…
proper noun · masculinesecond declension
Margus2
Margus m sg (genitive Margī)
Classical[ˈmar.ɡʊs]Ecclesiastical[ˈmar.ɡus]

Meaning

  1. masculinesingularA river of Margiana, now called Murghab

Declension

declension
formsingularplural
nominativeMargus—
genitiveMargī—
dativeMargō—
accusativeMargum—
ablativeMargō—
vocativeMarge—

In the Academy Smith's classical dictionaries

GeographyMargusMargus (Μάργος, Strab. xi. p.516; Ptol. 6.10. §§ 1, 4), the chief river of the province of Margiana, which in all probability derives its name from it…GeographyMargusMargus (Μάργος, Strab. vii. p.318; Margis, Plin. Nat. 3.26. s. 29), an important river of Moesia, which flows into the Danube, near the town of Margum…

Quick answers

What does Margus mean in Latin?
Margus, a proper noun, means “A river of Moesia, now called Morava”.
What is the genitive of Margus?
The genitive singular is Margī. Margus is masculine, second declension.
How do you pronounce Margus?
In classical Latin, [ˈmar.ɡʊs]; in ecclesiastical (church) Latin, [ˈmar.ɡus].