1. イタリア北部、フランス、ベルギー、ドイツの一部、オランダを含む西ヨーロッパの古代地方(an ancient region of western Europe that included what is now northern Italy and France and Belgium and part of Germany and the Netherlands)
(Classical Latin)Gaul (a historical region of Western Europe referring to areas occupied by Celts during Roman times, roughly corresponding to modern France, Luxembourg, Belgium, most of Switzerland, and parts of Northern Italy (Lombardy), the Netherlands, and Germany west of the Rhine)
c. 52 BCE, Julius Caesar, Commentarii de Bello Gallico1.1: