Definition of eastern adjective from the Oxford Advanced Learner's Dictionary
eastern
adjective
ˈiːstən ˈiːstərn
1(also Eastern) (abbr.E) [only before noun]located in the east or facing easteastern SpainEastern Europethe eastern slopes of the mountain2(usually Eastern) connected with the part of the world that is to the east of EuropeEastern cookery