Aquitania, Guyan, accounted to be the thirde part of Fraunce, hath on the west, the Dcean sea: on the north the ryuer of Loyre, or (as Cæsar writeth) the ryuer of Gerod: on the east, the part of Frannce called Lugdunensis: on the South, the mountaines Pyreni, which deuide Fraunce from Spaine. Albeit a part thereof conteineth Gascoyne, Foix, Bygo and afew countries more.
Lewis and Short: Latin dictionary
Ăquītānĭa, ae, f.I.A province in Southern Gaul, between the Loire and the Pyrenees, Caes. B. G. 1, 1; 3, 20; Plin. 4, 19, 33, 108 sq.—II. Derivv. A. Ăquītānus, a, um, adj., Aquitanian: gens, Tib. 1, 7, 3. —B. Ăquītāni, ōrum, m., the inhabitants of Aquitania, Plin. 33, 6, 31, 97; Caes. B. G. 1, 1.—C. Ăquītānĭcus, a, um, adj., Aquitanian: sinus, Plin. 4, 19, 33, 108: provincia, id. 26, 1, 3, 4.—D. Ăquītā-nensis, e, adj., Aquitanian, Inscr. Grut. 440, 3.