I. |akwə|tānēən, -nyən adjective
Usage: usually capitalized
Etymology: Aquitania, Roman division of southwestern Gaul + English -ian
1. : of or relating to Aquitania
2. : of or relating to a subdivision of the European Oligocene
II. noun
( -s )
Usage: capitalized
1. : a native or inhabitant of Aquitania
2. : the Aquitanian geologic stage