In Roman law. A species of equitable title to things, os distinguished from a title acqnir-ed according to the strict forms of the municipal law; the property of a Roman citizen in a subject capable of quirltary prop-erty, acquired hy a title not known to the civil law, but introduced by the praetor, and protected by his impcrium or supreme executive power, e. g., where res mancipi had been transferred by mere tradition. Poste’s Gnius Inst. 187. See Quiritabian owneb-snip