collegium

[kuh-lee-jee-uh m] /kəˈli dʒi əm/
noun, plural collegia
[kuh-lee-jee-uh] /kəˈli dʒi ə/ (Show IPA),
collegiums.
1.
Ecclesiastical, college (def 11).
2.
a group of ruling officials each with equal rank and power, especially one that formerly administered a Soviet commissariat.
Origin
1915-20; < Latin; see college
British Dictionary definitions for collegium

collegium

/kəˈliːdʒɪəm/
noun (pl) -giums, -gia (-dʒɪə)
1.
(in the former Soviet Union) a board in charge of a department
2.
Word Origin
Latin: college