מְרִירִי, v. preced. arts.) [poisonous,] קֶטֶב מ׳ or מ׳ (Ḳeṭeb) M’riri, name of a demon. Num. R. s. 12; Lam. R. to I, 3; Tanḥ. Naso 23; Midr. Till. to Ps. XCI, 6; Yalk. Ps. 842. Pes. 111ᵇ. Ber. 5ᵃ (quot. fr. Deut. XXXII, 24).