What does the legal maim 'Bona Vacantia' mean?

in good faith mutual consent good value unclaimed goods

unclaimed goods

Bona Vacantia: Bona means ‘goods’ and vacantia means ‘unclaimed’ and hence the term bona vacantia means ‘unclaimed or ownerless goods’ or property without an apparent owner or claimant.. Explanation Bona vacantia refers to property that has been unclaimed for a period of time.