pi·ra·cy /ˈpaɪrəsi/
  海盜行為,剽竊,著作權侵害
  piracy
  侵犯專利權
  Pi·ra·cy n.; pl. Piracies
  1. The act or crime of a pirate.
  2. Common Law Robbery on the high seas; the taking of property from others on the open sea by open violence; without lawful authority, and with intent to steal; -- a crime answering to robbery on land.
  Note: ☞ By statute law several other offenses committed on the seas (as trading with known pirates, or engaging in the slave trade) have been made piracy.
  3. “Sometimes used, in a quasi-figurative sense, of violation of copyright; but for this, infringement is the correct and preferable term.”
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  piracy
       n 1: robbery on the high seas; taking a ship away from the
            control of those who are legally entitled to it [syn: buccaneering]
       2: the act of plagiarizing; taking someone's words or ideas as
          if they were your own [syn: plagiarism, plagiarization,
           plagiarisation]