cartel >> /kɑːˈtɛl/
Definition: [noun] A group of businesses or nations that collude to limit competition within an industry or market.
Example: car cartel
Definition: [noun] A combination of political groups (notably parties) for common action.
Definition: [noun] A written letter of defiance or challenge.
Definition: [noun] An official agreement concerning the exchange of prisoners.
Definition: [noun] A ship used to negotiate with an enemy in time of war, and to exchange prisoners.