'Hellbender' definitions:

Definition of 'hellbender'

(from WordNet)
noun
Large salamander of North American rivers and streams [syn: hellbender, mud puppy, Cryptobranchus alleganiensis]

Definition of 'Hellbender'

From: GCIDE
  • Hellbender \Hell"bend`er\, n. (Zool.) A large North American aquatic salamander ({Protonopsis horrida} or Menopoma Alleghaniensis). It is very voracious and very tenacious of life. Also called alligator, and water dog. [1913 Webster]