duckbill

/ˌdʌkˈbɪl/

Other forms: duckbills

Definitions of duckbill

1. noun

   small densely furred aquatic monotreme of Australia and Tasmania having a broad bill and tail and webbed feet; only species in the family Ornithorhynchidae
   synonyms: Ornithorhynchus anatinus, duck-billed platypus, duckbilled platypus, platypus

   type of:

   egg-laying mammal, monotreme

   the most primitive mammals comprising the only extant members of the subclass Prototheria
2. adjective

   having a beak resembling that of a duck
   synonyms: duck-billed

   beaked

   having or resembling a beak
3. noun

   primitive fish of the Mississippi valley having a long paddle-shaped snout
   synonyms: Polyodon spathula, paddlefish

   type of:

   ganoid, ganoid fish

   primitive fishes having thick bony scales with a shiny covering