e/Ransom bond

Information
has gloss	eng: A ransom bond was a legally binding document issued as a promise for future payment for the safety and the release of a captured marine vessel. It was particularly in use during the American Civil War when Confederate States Navy privateers would seize Union merchant vessels and hold them for ransom. Once the bond was posted, the captured commercial ship was generally released and allowed to return to its rightful owners.
lexicalization	eng: Ransom Bond
instance of	(noun) a privately owned warship commissioned to prey on the commercial shipping or warships of an enemy nation privateer