a place on or near the Rhine, in North Gallia. Tacitus (Tac. Hist. 5.21
) in his history of the war of Civilis speaks of Civilis attacking on one day with his troops in four divisions, Arenacum, Batavodurum, Grinnes, and Vada.
The history shows that Grinnes and Vada were south or on the south side of the stream which Tacitus calls the Rhenus. [GRINNES