Sion

Strong’s Dictionary of Greek Words:

Number:
4622 (find all occurrences in KJV Bible)
Greek:
Σιών
Transliteration:
Sion
Phonic:
see-own’
Meaning:
of Hebrew origin (6726); Sion (i.e. Tsijon), a hill of Jerusalem; figuratively, the Church (militant or triumphant)
KJV Usage:
Sion

Jackson’s Dictionary of Scripture Proper Names:

parched place (another name for Mt. Zion) : elevation: a bearing: carrying (another name for Mt. Hermon) Dent. 4:48 : (in N. T.) Greek for Zion

Potts’ Bible Proper Names:

Very high; elevated; lofty; peak:―Greek form of Zion, Rev. 14:1. {Valde elatus}