Definition of meridionality in US English:

meridionality

noun

rare
  • The state of being on the meridian or aligned with a meridian; north–south orientation.

Origin

Mid 17th century; earliest use found in Henry Power (c1626–1668), natural philosopher and physician. From meridional + -ity, perhaps after post-classical Latin meridionalitas.

Pronunciation

meridionality

/mɪˌrɪdɪəˈnalɪti/