Cartel-ship
Defined in 3 dictionaries — Black's (1910), Black's (1891), Burrill (1850)
Black's Law Dictionary
Henry Campbell Black, M.A. · 1910
A vessel commissioned in time of war to exchange the prisoners of any two hostile powers; also to carry any particular proposal from one to another. For this reason, the officer who commands her is particularly ordered to carry no cargo, ammunition, or implements of war, except a single gun for the Purpose of signals. Crawford v. The William 'enn, 6 Fed. Cas. 778.
Defined under Cartel in Black's Law Dictionary.
A Dictionary of Law
Henry Campbell Black · 1891
A vessel commissioned in time of war to exchange the prisoners of any two hostile powers; also to carry any particularly ordered to carry no cargo, ammunition, or implements of war, except a single gun for the purpese of signals. Enc. Lond,
A New Law Dictionary and Glossary
Alexander M. Burrill · 1850
In international law. A ship of truce; a ship or vessel commissioned in time of war, for the purpose of effecting the exchange of prisoners, or carrying proposals of any kind between belligerent powers; and which is privileged from capture. Tomlins, 1 Kent's Com. 68. Brande.