Strong's #3882: livyathan (pronounced liv-yaw-thawn')

from 3867; 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 Bab.:--leviathan, mourning.

Brown-Driver-Briggs Hebrew Lexicon:

livyâthân

1) leviathan, sea monster, dragon

1a) large aquatic animal

1b) perhaps the extinct dinosaur, plesiosaurus, exact meaning unknown

Part of Speech: noun masculine

Relation: from H3867

Usage:

This word is used 6 times:

 

Job 3:8: "the day, who are ready to raise up their mourning."
Job 41:1: "Canst thou draw out leviathan with a hook? or his tongue with a cord"
Psalms 74:14: "Thou didst break the heads of leviathan in pieces, and gavest to the people inhabiting the wilderness."
Psalms 104:26: "There go the ships: there is that leviathan, whom thou to play"
Isaiah 27:1: "sword shall punish leviathan the piercing serpent, even leviathan"
Isaiah 27:1: "shall punish leviathan the piercing serpent, even leviathan that crooked serpent; and he shall slay"