四よ次じ元げんポケット

noun

4D pocket; magical pocket that can hold any item

Fictional item from the anime/manga Doraemon; a pocket that can store anything regardless of size.

• ドラえもんは四よ次じ元げんポケットからひみつ道どう具ぐを取とり出だす。

  Doraemon takes out a secret gadget from his 4D pocket.