[ 'bɒlʃɪvɪk ]
■ noun historical
1》 a member of the majority faction of the Russian Social Democratic Party, which seized power in the Revolution of 1917.
2》 a person with politically subversive or radical views.
Derivatives
Bolshevism noun
Bolshevist noun
Origin
Russ., from bolʻshe 'greater' (with ref. to the greater faction).