קֶטֶב, v. preced.) [cutting down,] pestilence; ק׳ or ק׳ מרירי [bitter, deadly disease], Ḳeṭeb (M’riri), name of a demon. Lam. R. to I, 3 ביומן דעקא … שבהם ק׳ מ׳ מצוי in the days of anguish, from the seventeenth of Tammuz to the ninth of Ab, during which Ḳ. M. is about. Num. R. s. 12 (ref. to Ps. XCI, 6) שד … שמו ק׳ וכ׳ it is a demon, and why is his name Ḳeṭeb? &c., v. בְּזַז, גְּזַז. Ib. ק׳ מ׳ עשוי וכ׳ Ḳ. M. is covered with peeling crusts, with hairs and with eyes; Yalk. Ps. 842; Midr. Till. to Ps. XCI. Pes. 111ᵇ חזייה להאי ק׳ מ׳ וכ׳ he said K. M. coming to his left side.