I.a magistrate in the times of the republic, who, after having administered the prœtorship one year in Rome, was sent in the following year as prœtor to a province where there was no army, a proprœtor (class.).—Form propraetor: “cum bella a propraetoribus administrantur,” Cic. Div. 2, 36, 76.—Form pro praetore, Sall. J. 103, 4: “prorogatum Tubulo est, ut pro praetore in Etruriam succederet Calpurnio,” Liv. 27, 22, 5.—
II. One who administers the prœtorship of a province in the absence of the prœtor: “Aulo fratre in castris pro praetore relicto,” Sall. J. 36, 4: “quem pro praetore in castris relictum supra diximus,” id. ib. 37, 3; Liv. 10, 25, 11; 29, 6, 9; Tac. A. 2, 66 al.; Caes. B. G. 1, 21.