noun (n)

• originally a stronghold captured by David (the 2nd king of the Israelites); above it was built a temple and later the name extended to the whole hill; finally it became a synonym for the city of Jerusalem(noun.location)

  Example:
  The inhabitants of Jerusalem are personified as `the daughter of Zion'.
  

  Synonym:
  sion
  

  source: wordnet30
• Jewish republic in southwestern Asia at eastern end of Mediterranean; formerly part of Palestine(noun.location)

  Synonym:
  israel, sion, state of israel, yisrael
  

  source: wordnet30
• an imaginary place considered to be perfect or ideal(noun.cognition)

  Synonym:
  sion, utopia
  

  source: wordnet30
• A hill in Jerusalem, which, after the capture of that city by the Israelites, became the royal residence of David and his successors.(noun)

  source: webster1913