Definition from Wiktionary, the free dictionary
See also selah
- An exclamation, precise meaning unknown, used to punctuate Psalm verses.
- God shall likewise destroy thee for ever, he shall take thee away, and pluck thee out of thy dwelling place, and root thee out of the land of the living. Selah. (Psalm 52:5, KJV)
- I will abide in thy tabernacle for ever: I will trust in the covert of thy wings. Selah. (Psalm 61:4, KJV)
Proper noun 
- A female given name derived from the biblical interjection ( possibly mistaken for a name) .