Dictionary / Vocabulary / 上げ底
あげぞこ · also あげそこ
false bottom; fake bottom; raised bottom; platform (shoes)
Also written 揚げ底、上底、揚底
この箱は上げ底だ。
This is a false bottom pan.
よく見てごらん。その箱は上げ底になってるから。
If you look carefully, you'll see that the box has a false bottom.