קָטַם II, (denom. of קְטַם III) to cover with ashes or powder. Shebi. II, 4 קוֹטְמִין אותן you may cover them with powder (v. אָבַק); [oth. opin., v. קָטַם I.]—Esp. to cover embers with ashes on which to put dishes to be kept warm for the Sabbath. Y. Sabb. III, beg. 5ᶜ הקוֹטֵם עד שיִקְטוֹם וכ׳ he that covers must not put dishes on until he has sufficiently covered (choked the flame). Ib.; Bab. Sabb. 37ᵃ קְטָמָהּ, v. לָבָה; a. e.—Part. pass. קָטוּם; f. קְטוּמָה &c. Ib. Tosef. ib. III, (II) 3 אחת גרופה וק׳ one part of the double store being swept or covered. Ib. 2 הרי הן כק׳ they are considered as if they were covered; a. e.