memory palace

An imaginary place used as a mnemonic device to recall faces, digits, etc. by their position inside it.

Japanese Meaning

記憶の宮殿：記憶術として、顔や数字などの情報を位置づけによって思い出すために、心の中に描かれる架空の空間。 / 記憶宮殿：記憶に役立てるための、実在しないが想像上で構築される空間や建造物。

To memorize the guest list, he walked through his memory palace and placed each face in a different room.

招待客の名簿を覚えるために、彼は記憶の宮殿を歩き回り、それぞれの顔を別々の部屋に置いた。

Sense（1）

An imaginary place used as a mnemonic device to recall faces, digits, etc. by their position inside it.

memory palaces

（ plural ）