RhymeZone: lunarian definitions

Definitions of Lunarian:

noun: (science fiction) An inhabitant of Luna, the moon of Terra.
noun: (celestial navigation) A maritime navigator who uses the moon to determine longitude without the need for an accurate clock
noun: (science fiction fandom) A member of the New York Science Fiction Society.
adjective: (science fiction) Pertaining to the inhabitants of Luna (Lunarians).

(Definitions from Wiktionary)