Definition of nectarial in US English:

nectarial

adjective

Botany
  • Of the nature of a nectary; of or relating to a nectary.

Origin

Early 19th century; earliest use found in Asiatick Researches. From nectary + -al; compare -ial.

Pronunciation

nectarial

/nɛkˈtɛːrɪəl/