paper box; cardboard box
A box made of paper or cardboard; a common everyday item.
I put the sweets in a paper box and gave them as a present.
引っ越しのとき、紙箱がたくさん必要だ。
When moving, you need a lot of cardboard boxes.
Standard kanji spelling for a paper box.
Uncommon variant using 函; learners will almost always encounter 紙箱.
Compound of 紙 (kami, 'paper') and 箱 (hako, 'box'), with rendaku voicing of はこ to ばこ.