gunboat n.2
(US) a river-boat being used as a brothel.
![[US]](/static/img/flags/us.png "United States") | Amer. Lang. Supplement II 683: The Alexandria (Mo.) Commercial, June 22, 1876, reported the hanging of Bill Lee for the murder of Jessie McCarty, one of the crew of a Mississippi gun-boat [HDAS]. |