Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun ornithorhynchus_anatinus

1 sense of ornithorhynchus anatinus

Sense 1
platypus, duckbill, duckbilled platypus, duck-billed platypus, Ornithorhynchus anatinus -- (small densely furred aquatic monotreme of Australia and Tasmania having a broad bill and tail and webbed feet; only species in the family Ornithorhynchidae)
       => monotreme, egg-laying mammal -- (the most primitive mammals comprising the only extant members of the subclass Prototheria)