piracy
/ˈpaɪərəsɪ/noun
mass noun
1- the practice of attacking and robbing ships at sea海盗行为, 海上劫掠。
1.1
- a similar practice in other contexts, especially hijacking抢劫行为, 劫持行为; 劫机：
air piracy.
空中抢劫。
1.2
- the unauthorized use or reproduction of another's work盗版行为：
software piracy.
软件盗版。
词源
mid 16th cent.: via medieval Latin from Greek pirateia, from peiratēs （see PIRATE）.