leviathan
Concise Oxford English Dictionary © 2008 Oxford University Press:
leviathan /lɪˈvʌɪəθ(ə)n/
▶noun
- 1 (in biblical use) a sea monster.
■ a very large aquatic creature, especially a whale.
■ a very large or powerful thing.
- 2 an autocratic monarch or state. ■[with allusion to Hobbes' Leviathan (1651).]
– origin via late L. from Heb. liwyāṯān.
'leviathan' also found in these Oxford entries:

