WordWeb Online

1. Hijacking on the high seas or in similar contexts; taking a ship or plane away from the control of those who are legally entitled to it
   "air piracy"
   - buccaneering
    
2. The act of plagiarizing; taking someone's words or ideas as if they were your own
   - plagiarism, plagiarization, plagiarisation [Brit], plagiary

Derived forms: piracies

See also: pirate, piratical

Type of: copyright infringement, highjacking, hijacking, infringement of copyright

Encyclopedia: Piracy