post office box

Definitions

1. A uniquely addressable lockable box located on the premises of a post office that may be hired as collection point for mail.
2. Alternative letter-case form of post office box.
   alt-of
3. A test instrument once used by telephone engineers.

Equivalents

Examples

““Rich people use⟳ post⟳ office boxes to shield themselves from unwanted correspondence. It’s like⟳ a garbage can for mail.””

“See⟳ also: PO Box”

CEFR level