The public department or corporation responsible for mail services and (in some countries) telecommunications
A military post office provided for soldiers in the field.
A numbered box in a post office assigned to a person or organization, where mail for them is kept until collected
A mail van or carriage on a train.
A money order for a specified sum issued upon payment at one post office, and payable at another (named) post office to the person specified in a letter of advice.
A packet-boat carrying mail for the Post Office.
A postage stamp.
(In the UK) a small local post office offering fewer services than a main post office
Originally and chiefly British. The central office established in London with responsibility for the collection and dispatch of mail; (in extended use) the department responsible for the mail service of the United Kingdom (also during the 20th cent. for telecommunications). Abbreviated G.P.O. Now historical.
A postal address.
An annuity system organized by and purchased through the post office.
A directory published annually by the Post Office and listing alphabetically the residents, tradesmen, businesses, etc., in a particular area, together with their addresses and (latterly) telephone numbers.
(A system of) life insurance purchased through the post office.
A bank having branches at local post offices where sums within fixed limits were received on government security at a fixed rate of interest (now historical in the United Kingdom).
A book in which post-office savings-bank transactions are recorded.