Main Entry: east·ern

Pronunciation: \ˈē-stərn\

Function: adjective

Etymology: Middle English estern, from Old English ēasterne; akin to Old High German ōstrōni eastern, Old English ēast east

Date: before 12th century

1 capitalized : of, relating to, or characteristic of a region conventionally designated East
2 capitalized a : of, relating to, or being the Christian churches originating in the church of the Eastern Roman Empire b : eastern orthodox
3 a : lying toward the east b : coming from the east <an eastern wind>

— east·ern·most \-ˌmōst\ adjective