bĭtūmĭno — Lewis & Short
bĭtūmĭno, āre, 1, v. a.id.,
I to cover or impregnate with bitumen (late Lat.), Ambros. Hexaëm. 6, 9, 72; cf.: bitumino, a)sfalto/w, Gloss. Lab.—Hence, P. a.: bĭtū-mĭnătus, a, um, impregnated with bitumen, bituminous:
aqua,Plin. 31, 6, 32, § 59.