'Polyodon spathula' definitions:

Definition of 'Polyodon spathula'

From: WordNet
noun
Primitive fish of the Mississippi valley having a long paddle-shaped snout [syn: paddlefish, duckbill, Polyodon spathula]

Definition of 'Polyodon spathula'

From: GCIDE
  • Paddlefish \Pad"dle*fish`\, n. (Zool) A large ganoid fish (Polyodon spathula) found in the rivers of the Mississippi Valley. It has a long spatula-shaped snout. Called also duck-billed cat, and {spoonbill sturgeon}. [1913 Webster]