1. A place in which business, clerical, or professional activities are conducted and which may a small room with one desk for one or two people or a room with several desks where people work.

The administrative personnel, executives, or staff working in such a place.

2. The quarters in which a commercial, professional, or government organization carries out its activities.
3. A duty or function assigned to or assumed by a person.
4. A position of authority, duty, or trust given to someone, as in a government or corporation; such as, the office of vice president.
5. A major executive division of a government or subdivision of a governmental department; for example, the U.S. Patent Office.
6. The prescribed order or form of a Christian church service, or of daily prayers.

A religious rite or service prescribed by ecclesiastical authorities.

7. Etymology: from about the mid-13th century, "a post, an employment to which certain duties are attached"; from Latin officium, "service, duty, function, business"; literally, "work-doing", from ops, opis, "power, might, abundance, means" (related to opus, "work") + the stem of facere, "to do, to perform".

1. A public place where mail is received and sorted, distributed, delivered, and also where stamps are sold and other related services are provided: Post offices, or postal services, around the world usually sort mail and packages and provide delivery of such items to those who are supposed to receive them.
2. Etymology: the "post" that is used in this term came from a variant of Latin posita, a past participle form of ponere, "to place" or "to put".

In telecommunications, a telephone facility that makes connections between local offices in a region where there are too many such offices to economically establish a full set of direct connections.