What is the meaning of overseas?

adjective

• In a foreign country.
  • usage: "markets abroad"; "overseas markets"
  • synonyms: abroad
• Being or passing over or across the sea.
  • usage: "some overseas trade in grain arose"
  • synonyms: oversea

adverb

• Beyond or across the sea.
  • usage: "He lived overseas for many years"
  • synonyms: oversea
• In a place across an ocean.
  • synonyms: abroad