What does archipīrāta mean in Latin?

archipīrāta, a noun, means “pirate chief”.

What is the genitive of archipīrāta?

The genitive singular is archipīrātae. archipīrāta is masculine, first declension.

noun · masculinefirst declension

archipīrāta m (genitive archipīrātae)

archĭpīrāta, ae, m., = ἀρχιπειρατής,

I. a leader of pirates, Cic. Off. 2, 11, 40; so Cic. Verr. 2, 5, 25; 2, 5, 29; Liv. 37, 11.

Borrowed from Ancient Greek ἀρχιπειρατής (arkhipeiratḗs).