D defs.my
Entry 3 senses Webster, 1913

Zion

/zī'-ən/ · Zi·on · IPA /ˈzaɪ.ən/
01 n. A hill in Jerusalem, which, after the capture of that city by the Israelites, became the royal residence of David and his successors.
  1. 1.
    A hill in Jerusalem, which, after the capture of that city by the Israelites, became the royal residence of David and his successors.(Jewish Antiq.)
  2. 2.
    Hence, the theocracy, or church of God.
  3. 3.
    The heavenly Jerusalem; heaven.