What does Cadurcus mean in Latin?

Cadurcus, a proper noun, means “Cadurcan: A member of Cadurcī (a tribe of Aquitania), mentioned by Caesar”.

What is the genitive of Cadurcus?

The genitive singular is Cadurcī. Cadurcus is masculine, second declension.

In classical Latin, [kaˈdʊr.kʊs]; in ecclesiastical (church) Latin, [kaˈdur.kus].

proper noun · masculinesecond declension

Cadurcus m (genitive Cadurcī)

Classical[kaˈdʊr.kʊs]Ecclesiastical[kaˈdur.kus]

masculineCadurcan: A member of Cadurcī (a tribe of Aquitania), mentioned by Caesar
His suppliciis celeriter coacto exercitu Lucterium Cadurcum, summae hominem audaciae, cum parte copiarum in Rutenos mittit; ipse in Bituriges proficiscitur.Having quickly collected an army by their punishments, he sends Lucterius, one of the Cadurci, a man the utmost daring, with part of his forces, into the territory of the Ruteni; and marches in person into the country of the Bituriges.c. 52 BCE, Julius Caesar, Commentarii de bello Gallico 7.5
Interim Lucterius Cadurcus in Rutenos missus eam civitatem Arvernis conciliat.In the mean time Lucterius the Cadurcan, having been sent into the country of the Ruteni, gains over that state to the Arverni.c. 52 BCE, Julius Caesar, Commentarii de bello Gallico 7.7