kerberos definition
In Greek mythology, Cerberus (/ËsÉËrbÉrÉs/; Greek: ÎºÎ­ÏÎ²ÎµÏÎ¿Ï Kerberos [Ëkerberos]), often called the hound of Hades, is the monstrous multi-headed dog that guards the gates of the Underworld to prevent the dead from leaving.