the bicameral legislature, comprising the Soviet of the Union and the Soviet of the Nationalities; officially the highest organ of state power
2.
a similar legislature in each former Soviet republic
Supreme Soviet in American English
1.
the legislative body of the Soviet Union: it consisted of two equal chambers, the Soviet of the Union (whose members were elected on the basis of population) and the Soviet of Nationalities (whose members were elected by the various nationalitygroups)