'Geogony' definitions:

Definition of 'Geogony'

From: GCIDE

Geogony \Ge*og"o*ny\, n. [Gr. ge`a, gh^, the earth + ? generation, birth, fr. the root of ? to be born: cf. F. g['e]ogonie.] The branch of science which treats of the formation of the earth. [1913 Webster]