I. One who takes possession beforehand, a preoccupier (post-class.), Cassiod. Var. 1, 18.—
II. A bold, confident, reckless, or presumptuous person, Tert. Poen. 6: “Petrus ex egregio praesumptore tam creber negator effectus,” Aug. Ep. 120, c. 14; Hier. Ep. 89: “praesumptor (Adam) senserit iram meritam,” Sedul. 2, 4; cf. Cod. Th. 16, 2, 48: Leo, Ep. 10, 9.