collegiumnoun [ C ]
uk/kəˈliː.dʒi.əm//kəˈliː.dʒi.əm/plural collegia or or collegiumsan organization for people who have similar interests or who do similar work, especially in a university:
No one wanted to miss the inaugural meeting of the Collegium of Black Women Philosophers at Vanderbilt University.
a group of musicians, especially from a university in Germany or the US:
J. S. Bach took over the direction of Telemann's Leipzig Collegium in 1729.
(in the past) a group of officials in charge of an industry or area of activity in Russia or the Soviet Union:
The trial opened before the Military Collegium of the Supreme Court of the U.S.S.R.