duckbill




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
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    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
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    type of:

    ganoid, ganoid fish

    primitive fishes having thick bony scales with a shiny covering

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