bona vacantia

noun plural | \ ˈbō-nə-vā-ˈkan-shē-ə \ | bo·na va·can·tia

1. : goods that are unclaimed and without an apparent owner it was trash, in the nature of bona vacantia, which the defendants had abandoned —United States v. Calise, 217 F. Supp. 705 (1962)