Definition of ornithorhynchous in English:
ornithorhynchous
adjective ˌɔːnɪθə(ʊ)ˈrɪŋkəs
Botany Zoology rare Shaped like a bird's beak; having a beak like that of a bird.
Origin
Mid 19th century; earliest use found in Robert Mayne (1808–1868). From ornitho- + -rhynchous.
Definition of ornithorhynchous in US English:
ornithorhynchous
adjectiveˌɔːnɪθə(ʊ)ˈrɪŋkəs
Botany Zoology rare Shaped like a bird's beak; having a beak like that of a bird.
Origin
Mid 19th century; earliest use found in Robert Mayne (1808–1868). From ornitho- + -rhynchous.