I. A changing, altering, change, alteration: “magna rerum,” Cic. Sest. 34, 73: “temporum,” id. Par. 6, 3, 51; Amm. 15, 3, 7: “defensionis,” Quint. 5, 13, 41: “vicissitudinum,” Vulg. Sap. 7, 18.—
II. An interchanging, barter, exchanging, exchange: “mercium,” Tac. G. 5, 4: “partim emptiones, partim permutationes,” Cic. Pis. 21, 48: “haec res permutationem non recipit,” Dig. 30, 1, 51: “rerum,” ib. 19, 5, 5: “captivorum,” Eutr. 2, 25; Gai. Inst, 3, 141. —Of exchanging money, negotiating a bill of exchange, Cic. Fam. 3, 5, 4; id. Att. 5, 13, 2.—
B. A substitution.
1. In rhet., of one expression for another, permutation, Auct. Her. 4, 34, 46.—
2. Of one person for another: “similis si permutatio detur,” Juv. 6, 653.