Definition of sublunarian in English:
sublunarian
(also sublunarean)
noun ˌsʌbluːˈnɛːrɪən
A person who lives beneath the moon; a native or inhabitant of the earth, a mortal. Now rare.
adjective ˌsʌbluːˈnɛːrɪən
Existing or operating beneath the surface of the moon. Now rare.
Origin
Early 18th century; earliest use found in John Ozell (d. 1743), translator. From post-classical Latin sublunaris sublunar + -an.