Basilisk
/ˈbæzɪlɪsk/
Definition 1 of 2
Pro Tip 1/3Mythical Creature
In stories, basilisks are often portrayed as evil or dangerous creatures you must avoid or defeat. 
Legends say that only a weasel can kill a basilisk, whose venom is deadly to all else.
Pro Tip 2/3Fearful Presence
The term 'basilisk' is used to symbolize something or someone inducing fear or is of immense power. 
The dictator was regarded as the basilisk of the nation, petrifying those who opposed him.
Pro Tip 3/3Literary Symbol
In literature, a basilisk might symbolize an insurmountable challenge or something toxic. 
In the novel, corruption was the basilisk that paralyzed the kingdom.