also: あきばこ
empty box
A box that is empty; can refer to any kind of box (cardboard, wooden, etc.) that no longer contains anything.
After moving, a lot of empty boxes were left.
Is it okay to throw away that empty box?
Common spelling with okurigana; the reading あきばこ is the most standard.
Kanji-only spelling, often read からばこ. Can also be read あきばこ, but 空き箱 is preferred for that reading.
Possible but uncommon reading for this kanji form; 空き箱 is the usual spelling for あきばこ.
Formed from 空き “emptiness; being vacant” and 箱 “box,” with compound voicing of 箱 to ばこ.