noun
stand-in; substitute; body double
General term for a person who temporarily takes the place of another, especially in performance or work contexts.
主演俳優が怪我をしたので、スタンドインが代わりに演じた。
The lead actor was injured, so a stand-in performed in his place.
noun
ball entering the outfield bleachers
Baseball term for a batted ball that lands in the outfield stands, often resulting in a ground-rule double.
打球がスタンドインして、二塁打になった。
The hit went into the stands and became a ground-rule double.