post office
Concise Oxford English Dictionary © 2008 Oxford University Press:
post office
▶noun
- 1 the public department or corporation responsible for postal services and (in some countries) telecommunications.
■ a building where postal business is transacted.
- 2 US term for postman's knock.
'post office' also found in these Oxford entries:
BFPO
- box
- GPO
- money order
- PO
- POP
- postal order
- postbox
- poste restante
- postmaster
- post office box
- recorded delivery
- register
- station
- sub-postmaster
- sub-post office
- substation
