1 [C] a room, set of rooms or a building where people work, usually sitting at desks 办公室；办事处: I usually get to the office at about 9 o'clock. 我通常约9时左右到达办公室。The firm's head office (= the main branch of the company) is in Glasgow. 那家公司的总部设在格拉斯哥。Please phone again during office hours. 请于办公时间内再来电话。 In the US doctors and dentists have offices. In Britain they have surgeries. 在美国，医生及牙医的诊所称为office。在英国则称为surgery。

2 [C] (often used to form compound nouns 常用于构成复合名词) a room or building that is used for a particular purpose, especially for providing a service 有特定用途的房间或建筑物（尤指用来提供服务者）: the tax/ticket/tourist office 税务大楼；售票处；游客服务处 ☞Look at booking office, box office and post office. 参看booking office、box office及post office。

3 Office [sing] a government department, including the people who work there and the work they do 政府机关: the Foreign/Home Office 外交部；内务部

4 [U] an official position, often as part of a government or other organization （政府或其他机构的）公职；官职: The Labour party has been in office since 1997. 工党自1997年起执政。