מִדְרָס m. (דָּרַס) 1) treading, place trodden upon, in gen. basis, seat, esp. midras, levitical uncleanness arising from a gonorrhoeist’s immediate contact by treading, leaning against &c. Nidd. VI, 3 כל המיטמא (ב)מ׳ whatever can be made unclean as a midras; expl. ib. 49ᵇ כל דחזי למ׳ whatever is fit to be used as a seat, couch &c. Kel. XXIV, 1. Par. X, 1; a. v. fr.—In gen. = אב הטומאה, uncleanness of the first degree. Ḥag. II, 7; a. fr.—Pl. מִדְרָסוֹת cases of midras. Ḥull. 35ᵃ. Sabb. 59ᵃ; a. e. —2) a sort of shoe or heel. Tosef. Kel. B. Mets. II, 14 התקינו למנעול או למ׳ R. S. to Kel. XII, 5 (ed. למחרים, corr. acc.) if he made the nail for a shoe or a midras