to kill (with a weapon); to slay
to defeat (an opponent); to beat
《baseball》to get (a batter) out
武士は敵を打ち取った。
The samurai slew the enemy.
討ち入り隊がついに敵将を打ち取って戦いを終えた。
The raiding party finally slew the enemy general and ended the battle.
この作戦では敵の総大将を打ち取るのが最優先の目標だ。
In this plan, slaying the enemy's commander-in-chief is the top priority.