What does Aulus mean in Latin?

Aulus, a proper noun, means “a masculine praenomen”.

What is the genitive of Aulus?

The genitive singular is Aulī. Aulus is masculine, second declension.

In classical Latin, [ˈau̯.ɫʊs]; in ecclesiastical (church) Latin, [ˈaːu̯.lus].

proper noun · masculinesecond declension

Aulus m (genitive Aulī)

Classical[ˈau̯.ɫʊs]Ecclesiastical[ˈaːu̯.lus]

aulus, i, m., = αὐλός (flute),

I. a fluteshaped kind of scollop, Plin. 32, 9, 32, § 103.

Aulus, i, m.,

I. a Roman prœnomen, usu. abbrev. to A.; e. g. A. Albinus, A. Cluentius Avitus, etc.

From Etruscan 𐌀𐌅𐌋𐌄 (avle), 𐌀𐌅𐌉𐌋𐌄 (avile), from 𐌀𐌅𐌉𐌋 (avil, “year”).