1. Volgian - Adjective
2. Volgian - Proper noun
Volgian
(geology) An obsolete regionally defined geological unit in Russia, in part Jurassic and in part Cretaceous, corresponding to the Tithonian and part of the Berriasian, and perhaps even part of the Kimmeridgian.
Volgian (comparative more Volgian, superlative most Volgian)
Of, from or pertaining to this period.