ChristianAnswers.Net WebBible Encyclopedia
Meaning: sunny; height
It was surrounded on all sides, except the north, by deep valleys, that of the Tyropoeon separating it from Moriah, which it surpasses in height by 105 feet. It was the southeastern hill of Jerusalem.
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).