con ‧ sor ‧ ti ‧ um /kənˈsɔːtiəm $ -ɔːr-/ BrE AmE noun ( plural consortia /-tiə/ or consortiums ) [countable]
[ Date: 1800-1900 ; Language: Latin ; Origin: 'partnership' , from consors ; ⇨ ↑ consort 1 ]
a group of companies or organizations who are working together to do something:
a consortium of oil companies
The aircraft will be built by a European consortium.