合あわせ鏡かがみ

noun

opposite mirrors; mirrors facing each other

Refers to two mirrors placed facing each other, creating an infinite reflection effect. Often used in traditional settings or for specific visual effects.

• 合あわせ鏡かがみで自じ分ぶんの後うしろ姿すがたを確かく認にんした。

  I checked my back view using opposite mirrors.

• 合あわせ鏡かがみにすると、無む限げんに像ぞうが映うつる。

  When you set up mirrors facing each other, the reflections go on infinitely.