easternPronunciation: /ˈiːst(ə)n/Translate eastern | into French | into German | into Italian | into Spanish Definition of eastern adjective 1 [attributive] situated in, directed towards, or facing the east:the eastern slopes of the mountain eastern Spain (of a wind) blowing from the east. 2 (Eastern) living in or originating from the regions or countries to the east of Europe:an Eastern mystic relating to or characteristic of the East or its inhabitants:Eastern philosophy and cultureDerivatives easternmost adjective Origin: Old English ēasterne (as east, -ern)eastern in other Oxford dictionaries Definition of eastern in the US English dictionary