קֶצֶף m. (b. h.; preced. art.) 1) anger. Num. R. s. 1, end שלא יהא ק׳ עליהן that the divine anger be not on them. Midr. Till. to Ps. XXXVIII; a. fr.—Esp. Ḳetsef name of an angel of destruction. Targ. Y. Num. XVII, 11, sq.—Sabb. 55ᵃ (ref. to Ez. IX, 2) ‘six men’, they are ק׳ אף וחימה וכ׳ Ḳ. (Wrath), Af (Anger) &c. Ex. R. s. 41; a. fr.—2) destruction, harm. Deut. R. s. 11 איך … לעשות לו ק׳ how can I do harm to him (Moses)?; Yalk. ib. 940.