Aquitanian
noun
Aq·ui·ta·nian
¦a-kwə-¦tā-nyən 
-nē-ən
plural -s
1
: a native or inhabitant of Aquitania
2
: the Aquitanian geologic stage
Cite this Entry
“Aquitania.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Aquitania. Accessed 9 Jun. 2026.
Copy CitationGeographical Definition
Aquitania
geographical name
Aq·ui·ta·nia
ˌa-kwə-ˈtā-nyə
-nē-ə
a Roman division of southwestern Gaul under Caesar consisting of the area between the Pyrenees Mountains and the Garonne River and under Augustus expanded as far as the Loire and Allier rivers
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