It is wrapped up for the slaughter— It is sharpened for the slaughter. Houbigant, and so the Chaldee. God addresses the sword in the next verse.
Related Commentaries of Ezekiel 21:15
Ezekiel 21:15
15 I have set the pointf of the sword against all their gates, that their heart may faint, and their ruins be multiplied: ah! it is made bright, it is wrapped up for the slaughter.