Mid 19th century; earliest use found in Robert Mayne (1808–1868). From scientific Latin polyadenus + -ous. Compare scientific Latin Polyadenia, genus name, French polyadène.
Definition of polyadenous in US English:
polyadenous
adjectiveˌpɒlɪˈadɪnəs
Botany Zoology rare
Having many glands.
Origin
Mid 19th century; earliest use found in Robert Mayne (1808–1868). From scientific Latin polyadenus + -ous. Compare scientific Latin Polyadenia, genus name, French polyadène.