【法】 战时交换战俘的运送船

Cartel \Car*tel"\, n. [F., fr. LL. cartellus a little paper,
dim. fr. L. charta. See 1st {Card}.]
1. (Mil.) An agreement between belligerents for the exchange
of prisoners. --Wilhelm.

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.