Lewis & Short

margĭno, āvi, ātum, 1, v. a. [margo], to furnish with a border, to border, enclose with a margin (perh. not ante-Aug.): viae marginandae, Liv. 41, 27: tabulae marginatae, Plin. 35, 12, 45, § 154: saga limbis marginata puniceis, Sid. Ep. 4, 20.