noun
skirmish; brush; clash; encounter
Refers to a small-scale, brief military engagement, often between small units or patrols. More formal and less common than 小競り合い.
国境付近で小戦が発生した。
A skirmish broke out near the border.
その小戦で数名の兵士が負傷した。
Several soldiers were wounded in the skirmish.