'Protonopsis horrida' definitions:

Definition of 'Protonopsis horrida'

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]