n.

1. 巨大海兽；巨轮；庞然大物

a.

1. 巨大的；庞大的
   Their ship went to the bottom of the sea due to the strike of a leviathan whale.

   他们驾驶的船因为一条巨大鲸鱼的袭击而沉没。

n.

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).]