JLPT N3
私書箱
It’s the Japanese word for a P.O. box. This is a private mailbox you can rent at a post office.
Readings
Other forms
郵便私書箱 full, more formal term
Noun
P.O. Box
A private, lockable mailbox located at a post office that you can rent to receive mail.
Example
プライバシー を 守る ため に 、 ネットショッピング で は 私書箱 を 使って います 。
I use a P.O. box for online shopping to protect my privacy.
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