DICT.TW Dictionary Taiwan

 Car·tel n.
 1. Mil. An agreement between belligerents for the exchange of prisoners.
 2. A letter of defiance or challenge; a challenge to single combat. [Obs.]
    He is cowed at the very idea of a cartel.,   --Sir W. Scott.
 Cartel, or Cartel ship, a ship employed in the exchange of prisoners, or in carrying propositions to an enemy; a ship beating a flag of truce and privileged from capture.