also: ふみばこ
letter box; document box
A box for storing letters and papers, often used in traditional or historical contexts.
Old letters came out of my grandmother's letter box.
letter-carrying box; mail delivery box
A box used to carry or deliver letters, such as a postman's mail box or a courier's container.
Old-time couriers delivered letters with a letter box slung over their shoulder.
Standard kanji spelling for a box for letters or documents.
Alternate reading ふみばこ is occasionally encountered but ふばこ is more standard.
Rare variant using 筥, an older character for a box or basket.
Compound of 文 (ふみ/ふ, 'letter, writing') and 箱 (はこ, 'box'). The reading ふばこ is a contraction of ふみばこ.