
1) Historical Celtic people 2) Tribe of pre-Roman Gaul
Found on
https://www.crosswordclues.com/clue/veliocasses

In pre-Roman Gaul the Belgic tribe of the Veliocasses or Velocasses controlled a large area in the lower Seine valley, which retains a trace of their name, as the Vexin. According to Julius Caesar` Commentary on the Gallic Wars the Veliocasses participated in the tribal coalition of the Belgae that resisted the Romans in 57 BCE. In 52 they raised....
Found on
http://en.wikipedia.org/wiki/Veliocasses
No exact match found.