Le-vĭ'a-than, n.
n. [Heb. livyāthān, properly an animal, bent, twisted in curves, from Ar. lawa', to bend, wind, twist.]
Sense 1. An aquatic animal, described in the book of Job, ch. xli., and mentioned in other passages of Scripture.
☞ It is not certainly known what animal is intended, whether the crocodile, the whale, or some sort of serpent.
Sense 2. The whale, or a great whale. Milton.