'Bowfin' definitions:

Definition of 'bowfin'

From: WordNet
noun
Primitive long-bodied carnivorous freshwater fish with a very long dorsal fin; found in sluggish waters of North America [syn: bowfin, grindle, dogfish, Amia calva]

Definition of 'Bowfin'

From: GCIDE
  • Bowfin \Bow"fin`\, n. (Zool.) A voracious ganoid fish (Amia calva) found in the fresh waters of the United States; the mudfish; -- called also Johnny Grindle, and dogfish. [1913 Webster]