noun
reserve troops; flying column
Military term for troops held in reserve and available for flexible deployment. Often used in historical or strategic contexts. Compare with 遊軍, which can also refer to a detached force or a sports substitute.
See also: 遊軍
司令官は遊兵を投入して戦線を立て直した。
The commander committed the reserve troops and restored the front line.
遊兵を適切に配置することで戦況が大きく変わる。
Proper deployment of the flying column can dramatically change the course of battle.