pi ‧ ra ‧ cy /ˈpaɪərəsi $ ˈpaɪrə-/ BrE AmE noun [uncountable]
1 . the crime of illegally copying and selling books, tapes, videos, computer programs etc ⇨ pirate :
software piracy
2 . the crime of attacking and stealing from ships at sea
3 . the crime of making illegal television or radio broadcasts