hellhound Meaning, Definition & Usage

  1. noun a very evil man
  2. noun (Greek mythology) the three-headed dog guarding the entrance to Hades; son of Typhon
    Cerberus.

WordNet

Hell"hound` noun
Etymology
AS. hellehund.
Definitions
  1. A dog of hell; an agent of hell.
    A hellhound, that doth hunt us all to death. Shak.

Webster 1913