Definition from Wiktionary, the free dictionary
See also: Civil War
Calque of Latin bellum civile, in English from 1651 in reference to the English Civil War, with possible early use in the 15th and 16th centuries as wer cyuile or ciuill warre.
- A war fought between factions of the inhabitants of a single country, or a similar political entity.
war between factions within a single country