נָחָשׁ, [the hissing,] serpent. Gen. R. s. 22 נ׳ הקדמוני the original serpent (the seducer of Eve). Gen. R. s. 20 נ׳ זה רשע בעל תשובות that serpent is wicked and skilled in arguments. Bekh. 8ᵃ נ׳ לשבע שנים וכ׳ a serpent’s pregnancy lasts seven years, and for that wicked animal I find no parallel (in the vegetable kingdom). Gen. R. s. 54 הנ׳ של בית the domestic serpent (harmless); a. fr.—Pl. נְחָשִׁים. Gen. R. s. 84 נ׳ ועקרבים snakes and scorpions; a. fr.
נָחָשׁ, a pungent (poisonous) fluid in the leaves or in the stems of onions kept for a long time in the ground. Erub. 29ᵇ
נָחָשׁ, a disease of the eye, v. חִלָּזוֹן. Bekh. VI, 2 חלזון נ׳ וכ׳, expl. ib. 38ᵇ as identical with חלזון; Tosef. ib. IV, 2; Sifra Emor ch. II, Par. 3.