LATIN DICTIONARYLexicon Latīnum
proper noun · masculinethird declension

Albis

Albis m sg (genitive Albis)
Classical[ˈaɫ.bɪs]Ecclesiastical[ˈal.bis]

Meaning

  1. masculinesingularElbe (a river in Germany)
    Gallias et Hispanias provincias et Germaniam qua includit oceanus a Gadibus ad ostium Albis fluminis pacavi.Augustus, Monumentum Ancyranum 5

Declension

declension
formsingularplural
nominativeAlbis—
genitiveAlbis—
dativeAlbī—
accusativeAlbim
Albin
—
ablativeAlbī—
vocativeAlbis—
locativeAlbī—

Albis, is, m. v. albus,
I. a river of Germany, now the Elbe, Tac. G. 41; id. A. 4, 44: Albin liquere Cherusci, Claud. IV. Cons. Hon. 452.—Also Alba, ae, m., Vop. Prob. 13.

Origins

Of Germanic origin, from Proto-Germanic *albī (“river”), see also Old Norse Elfr, Swedish älv (“river”), Norwegian elv (“river”), Old English elf, and Middle Low German elve (“river-bed”).

In the Academy Smith's classical dictionaries

Quick answers

What does Albis mean in Latin?
Albis, a proper noun, means “Elbe (a river in Germany)”.
What is the genitive of Albis?
The genitive singular is Albis. Albis is masculine, third declension.
How do you pronounce Albis?
In classical Latin, [ˈaɫ.bɪs]; in ecclesiastical (church) Latin, [ˈal.bis].