Zion: Sunny; height, one of the eminences on which Jerusalem was built. It
was surrounded on all sides, except the north, by deep valleys, that
of the Tyropoeon (q.v.) separating it from Moriah (q.v.), which it
surpasses in height by 105 feet. It was the south-eastern hill of
Jerusalem. When David took it from the Jebusites (Joshua 15:63; 2 Samuel 5:7)
he built on it a citadel and a palace, and it became "the city of
David" (1 Kings 8:1; 2 Kings 19:21,3; 1 Chronicles 11:5) In the later books of the Old
Testament this name was sometimes used (Psalms 87:2; 149:2; Isaiah 33:14)
(Joel 2:1) to denote Jerusalem in general, and sometimes God's
chosen Israel (Psalms 51:18; 87:5) In the New Testament
(See SION)
it is used sometimes to denote the Church of God (Hebrews 12:22) and
sometimes the heavenly city (Revelation 14:1)