noun
- Leo or Lev Ni·ko·la·e·vich [lev nik-uh–lahy–uh-vich; Russian lyef nyi-kuh-lah-yi-vyich] /lɛv ˌnɪk əˈlaɪ əˌvɪtʃ; Russian ˈlyɛf nyɪ kʌˈlɑ yɪ vyɪtʃ/, Count,1828–1910, Russian novelist and social critic.
noun
- Leo, Russian name Count Lev Nikolayevich Tolstoy. 1828–1910, Russian novelist, short-story writer, and philosopher; author of the two monumental novels War and Peace (1865–69) and Anna Karenina (1875–77). Following a spiritual crisis in 1879, he adopted a form of Christianity based on a doctrine of nonresistance to evil