(law) Something that has no owner and is not subject to the jurisdiction of any state, but is susceptible to national appropriation.

(Latinate) A child of unknown parentage; an orphan. / (law) The son of no one; a bastard.

(international law) Empty land; land not legally belonging to anyone; no man's land.

(law) No one's property.

An abbot who is exempt from diocesan control, and acts with papal authority.

plural of terra nullius