bn:00012542n
Noun Concept
EN
post-office box number  PO box number  PO Box No  box number
EN
The number of a letter box at the post office where mail is collected WordNet 3.0
Definitions
Relations
Sources
EN
The number of a letter box at the post office where mail is collected WordNet 3.0 & Open English WordNet
WordNet 3.0 & Open English WordNet