מֶדֶר, (transpos. of מרד, v. מִרְדָּא) [fallings, v. גָּלָל,] ordure, a material used for vessels. Sifra M’tsorʿa, Neg., Par. 6, ch. IV. [R. S. to Neg. XII, 6 quotes מרד, ref. to מרדא Ab. Zar. 75ᵇ.]