eastern in WordNet English dictionary

1. from the east; used especially of winds
   "an eastern wind"; "the winds are easterly"
   easterly  eastern 
   
2. lying in or toward the east
   "the east side of New York"; "eastern cities"
   easterly  eastern 
   
3. relating to or characteristic of regions of eastern parts of the world
   "Eastern Europe"; "the Eastern religions"
   eastern 
   
4. of or characteristic of eastern regions of the United States
   "the Eastern establishment"
   eastern 
   
5. lying toward or situated in the east
   "the eastern end of the island"
   eastern