pirate pirate /ˈpaɪrət/

noun

1. () Someone who uses another person's words or ideas as if they were his own  ( literary pirate , plagiariser [British] , plagiarist , pirate , plagiarizer )
   someone who uses another person's words or ideas as if they were his own
   
2. () Someone who robs at sea or plunders the land from the sea without having a commission from any sovereign nation  ( buccaneer , sea robber , sea rover , pirate )
   someone who robs at sea or plunders the land from the sea without having a commission from any sovereign nation
   
   
3. A ship that is manned by pirates  ( pirate , pirate ship )
   a ship that is manned by pirates
   
   

verb

1. (crime) take arbitrarily or by force  ( highjack , pirate , commandeer , hijack )
   (crime) take arbitrarily or by force
    The Cubans commandeered the plane and flew it to Miami
   The Cubans commandeered the plane and flew it to Miami
   
2. (crime) copy illegally; of published material  ( pirate )
   (crime) copy illegally; of published material