Definition of Octobrist
plural -s
1
: a member of a moderately liberal political party in czarist Russia whose principles of constitutional government and measures of reform were expressed in an imperial manifesto of October, 1905
2
[translation of Russian oktyabrenok; from the Russian Communist revolution that began on October 25, 1917, Old Style (November 7, New Style)]
: a member of a Russian Communist youth organization with members between the ages of 8 and 10 — compare pioneer 
