corporation

corporation
cor‧po‧ra‧tion AC /ˌkɔːpəˈreɪʃən $ ˌkɔːr-/ noun [countable]1. a big company, or a group of companies acting together as a single organization:
    He works for a large American corporation.
    multinational corporations
    the Siemens Corporation
    corporation tax (=tax that companies have to pay on their profits)
2. an organization or group of organizations that work together for a particular purpose and are officially recognized as one:
    the New Orleans Citywide Development Corporation
    a housing corporation
3. British English old use a group of people elected to govern a town or city
   SYN  council
     

THESAURUS

   ▪ company an organization that makes or sells something, or provides a service: big oil companies | telephone companies | He runs a software company.
   ▪ firm a company, especially one that provides a service rather than producing goods: a law firm | a firm of accountants | a security firm
   ▪ business a company – often used when talking about a company that employs only a small number of people: She set up her own catering business. | small businesses | a family business
   ▪ corporation a large company that often includes several smaller companies: IBM is one of the biggest corporations in the world.
   ▪ multinational a very large company with offices in many different countries: American multinationals are establishing research and development facilities across the developing world.
   ▪ conglomerate /kənˈɡlɒmərət, kənˈɡlɒmərɪt $ -ˈɡlɑː-/ a very large company that consists of several different companies which have joined together: The company was taken over by a German media conglomerate.
   ▪ giant a word used mainly by newspapers for a very large company: Their clients include the retail giant, Wal-Mart.
   ▪ subsidiary a company that is owned by a larger company: The company runs its New York operations through a US subsidiary.