Pronunciation: (rOO-thē'nē-un, -thēn'yun),[key] —adj. of or pertaining to the Little Russians, esp. a division of them dwelling in Galicia, Ruthenia, and neighboring regions.
—n. 1. one of the Ruthenian people.
2. the dialect of Ukrainian spoken in Ruthenia.
3. a member of a former Orthodox religious group that entered into communion with the Roman Catholic Church in 1596 and became the “Uniate Church of the Little Russians.”