Main Entry: pi·ra·cy

Pronunciation: \ˈpī-rə-sē\

Function: noun

Inflected Form(s): plural pi·ra·cies

Etymology: Medieval Latin piratia, from Late Greek peirateia, from Greek peiratēs pirate

Date: 1537

1 : an act of robbery on the high seas; also : an act resembling such robbery
2 : robbery on the high seas
3 a : the unauthorized use of another's production, invention, or conception especially in infringement of a copyright b : the illicit accessing of broadcast signals