cor·sair /ˈkɔrˌsær, ˌsɛr; kɔrˈ/
  海盜,海盜船,回教徒的私掠船
  Cor·sair n.
  1. A pirate; one who cruises about without authorization from any government, to seize booty on sea or land.
  2. A piratical vessel.
     Barbary corsairs . . . infested the coast of the Mediterranean.   --Prescott.
  3. Zool. A Californian market fish (Sebastichthys rosaceus).
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  corsair
       n 1: a pirate along the Barbary coast [syn: Barbary pirate]
       2: a swift pirate ship (often operating with official sanction)