ornithorhynchus
noun
or·nitho·rhyn·chus
| \ ȯ(r)ˌnithəˈriŋkəs, ˌȯ(r)nəthōˈr-\
Definition of ornithorhynchus
1
capitalized
: a genus (coextensive with the family Ornithorhynchidae) of egg-laying mammals including only the platypus
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