לִוְיָתָן, (b. h.) Leviathan, a legendary sea-animal reserved, with B’hemoth, for the righteous in the hereafter. Lev. R. s. 13, v. בְּהֵמוֹת. Lev. R. s. 22, end. Ab. Zar. 3ᵇ; a. fr.—M. Kat. 25ᵇ (in a wailing song) ל׳ a great man, opp. דגי רקק the fish of the swamp, common humanity (v. אֵזוֹב).