Latin, meaning: civil, civic. 
[vicarius] Civilis is all that is known of the name of a vicarius of Roman Britain around AD 368. Dulcitius was appointed Dux Britanniarum at the same time under Count Theodosius` reforms. Under Civilis` rule the last of the earlier invaders were driven out, possibly using troops under his own personal command, and a programme of civil rest...
civil, civic.