LEVIATHAN
leviathan
(noun) monstrous sea creature symbolizing evil in the Old Testament
leviathan
(noun) the largest or most massive thing of its kind; “it was a leviathan among redwoods”; “they were assigned the leviathan of textbooks”
Source: WordNet® 3.1
Etymology
Adjective
leviathan (not comparable)
Very large; gargantuan.
Noun
leviathan (plural leviathans)
(Bible) A vast sea monster of tremendous strength, described as the most powerful and dangerous creature in the ocean.
Something large; behemoth.
Source: Wiktionary
Le*vi"a*than, n. Etym: [Heb. livyathan.]
1. An aquatic animal, described in the book of Job, ch. xli., and
mentioned on other passages of Scripture.
Note: It is not certainly known what animal is intended, whether the
crocodile, the whale, or some sort of serpent.
2. The whale, or a great whale. Milton.
Source: Webster’s Unabridged Dictionary 1913 Edition