חִלְחוּל, (חִלְחֵל) penetration of a poisonous substance, poison. Tanḥ. Mishp. 18; ed. Bub. 12 (חול׳, corr. acc.) הח׳ היה נכנס וכ׳ the poison (of the flies) entered their bodies; Yalk. Ex. 359.