What does pīrātica mean in Latin?

pīrātica, a noun, means “piracy”.

What is the genitive of pīrātica?

The genitive singular is pīrāticae. pīrātica is feminine, first declension.

In classical Latin, [piːˈraː.tɪ.ka]; in ecclesiastical (church) Latin, [piˈraː.ti.ka].

noun · femininefirst declension

pīrātica f (genitive pīrāticae)

Classical[piːˈraː.tɪ.ka]Ecclesiastical[piˈraː.ti.ka]

piracy
pīrāticam facere, exercēreto commit piracy
Qui in magistratu nisi rogationem de piratico bello tulisset, profecto egestate et improbitate coactus piraticam ipse fecissetIf he [Aulus Gabinius] hadn't brought that law through on the Pirate War [the Lex Gabinia], of course he himself would have committed piracy due to his own poverty and wickedness57 BCE, Cicero, Post Reditum in Senatu 11

Derived from pīrāticus, perhaps via ellipsis of ars pīrātica. Compare mūsica, from Ancient Greek τέχνη μουσική (tékhnē mousikḗ, “art of the Muses”).