'Geoselenic' definitions:

Definition of 'Geoselenic'

From: GCIDE

Geoselenic \Ge`o*se*len"ic\, a. [Gr. ge`a, gh^, the earth + ? moon.] Pertaining to the earth and moon; belonging to the joint action or mutual relations of the earth and moon; as, geoselenic phenomena. [1913 Webster]