Of or pertaining to Russia, an empire in eastern Europe with large possessions in northern and central Asia, or the Russians or their language.n. A native or a citizen of Russia; a member of the principal branch of the Slavic race, forming the chief part of the population of European Russia, and the dominant people in Asiatic Russia.n. A Slavic language, belonging to the southeastern branch (which includes also the Bulgarian).n. The principal dialect of Russia, and the basis of the literary language.n. The Russian dialect spoken by the Little Russians and Ruthenians.n. The dialect of the Red Russians.n. The dialect of this branch.