I. Abstr., a crossing or passing over, passage (class., but not in Cic., who uses instead trajectio): “transjectus in Britanniam,” Caes. B. G. 5, 2; 4, 21; id. B. C. 2, 20: “in trajectu Albulae amnis submersus,” Liv. 1, 3, 8; 35, 51, 1: “tempestate in trajectu bis conflictatus,” Suet. Aug. 17.—
II. Concr., a place for passing over, a passage: legiones et auxilia mittit ad trajectum, Auct. B. Alex. 56, 5; Plin. 6, 23, 26, § 98.