'Congo snake' definitions:

Definition of 'congo snake'

(from WordNet)
noun
Aquatic eel-shaped salamander having two pairs of very small feet; of still muddy waters in the southern United States [syn: amphiuma, congo snake, congo eel, blind eel]

Definition of 'Congo snake'

From: GCIDE
  • Congo snake \Con"go snake"\ (Zool.) An amphibian (Amphiuma means) of the order Urodela, found in the southern United States. See Amphiuma. [1913 Webster] Congou