לִוְיָתָן‎ (livyâthân|liv-yaw-thawn'|noun|masculine|serpent)
[Heb] לִוְיָתָן‎ ETCBC: לִוְיָתָן‎ (subs|leviathan) OSHL: l.au.ad TWOT: 1089b GK: H4293 Greek: δράκων, κῆτος, μέγας
Derivation: from לָוָה‎;
Strong's: a wreathed animal, i.e. a serpent (especially the crocodile or some other large sea-monster); figuratively, the constellation of the dragon; also as a symbol of Babylon
KJV: leviathan, mourning.