What is the meaning of eastern?

adjective

• Lying toward or situated in the east.
  • usage: "the eastern end of the island"
• Of or characteristic of eastern regions of the United States.
  • usage: "the Eastern establishment"
• Lying in or toward the east.
  • usage: "the east side of New York"; "eastern cities"
  • synonyms: easterly
• Relating to or characteristic of regions of eastern parts of the world.
  • usage: "Eastern Europe"; "the Eastern religions"
• From the east; used especially of winds.
  • usage: "an eastern wind"; "the winds are easterly"
  • synonyms: easterly