institution  
noun uk/ˌɪn.stɪˈtʃuː.ʃən/ us/ˌɪn.stəˈtuː.ʃən/
  (ORGANIZATION)      
 B2 [ C ](大学、银行等)机构,团体 
a large and important organization, such as a university or bank
  a medical/educational/financial institution 医疗/教育/金融机构 
 Harvard University is an internationally respected institution. 哈佛是国际上备受尊崇的大学。 
 - More examples
 - We're searching for a couple of runaways from the young offenders' institution.
 - They heard sob-stuff from one man about his deprived childhood in an institution.
 - St Andrews and Cambridge universities are internationally respected institutions.
 - He had been in and out of penal institutions from the age of 16.
 - The university's exchange scheme has cemented its links with many other academic institutions.
 
  (PLACE)     
 B2 [ C ] mainly disapproving社会收容机构(尤指医院或监狱) 
a building where people are sent to be cared for, especially a hospital or prison
   (CUSTOM)      
 C2 [ C ]制度;习俗 
a custom or tradition that has existed for a long time and is accepted as an important part of a particular society
  the venerable institution of marriage 神圣的婚姻制度 
figurative Mrs Daly is an institution - she's been with the company for 40 years and knows absolutely everyone. 戴利夫人是老资历了——她在公司干了40年,绝对了解每个人。 
   (START)      
 [ U ]开创;制定;设立 
an occasion when a law, system, etc. begins or is introduced
  The institution of the Freedom of Information Act has had a significant effect. 《信息自由法》的制定产生了深远的影响。