| Noun | 1. | Sion - 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; "the inhabitants of Jerusalem are personified as `the daughter of Zion'" Synonyms: Zion |
| 2. | Sion - Jewish republic in southwestern Asia at eastern end of Mediterranean; formerly part of Palestine | |
| 3. | Sion - an imaginary place considered to be perfect or ideal |