noun
remnants of a defeated army; surviving soldiers after a loss
Refers to the scattered, surviving soldiers of a defeated military force. Often used in historical or literary contexts.
敗残兵が山の中に逃げ込んだ。
The remnants of the defeated army fled into the mountains.
敗軍 refers to a defeated army as a whole, while 敗残兵 specifically refers to the remaining soldiers after the defeat.
Compound of 敗 (defeat), 残 (remain), and 兵 (soldier).