I. A putting or setting before, a preferring, preference, Cic. Fin. 3, 16, 54.—
II. A placing or setting over as commander or president, an appointing to command (postclass.): “aliquem navi,” Dig. 14, 1, 1, § 12.—
III. In gram., a preposition, Cic. Or. 47, 158; cf.: “praeposito in privatur verbum eā vi, quam haberet, si in praepositum non fuisset,” id. Top. 11: “cum praepositione dicitur volgo ornamentum,” Varr. L. L. 6, § 76 Müll.; Quint. 1, 4, 13 et saep.