MORI poll /ˈmɔːri ˌpəʊl/ BrE AmE noun
an ↑ opinion poll (=a test to find out people's attitudes about something) carried out by a company called Market and Opinion Research Institute. They get their results by questioning a number of people who are chosen as being typical of the whole population:
According to a recent MORI poll, the royal family is not as popular as it was five years ago.