mo.rag denotes a threshing implement, supplied for sacrificial preparations and pictured as sharp and crushing.

The term denotes a threshing implement: in the two narrative verses it is given among materials connected with an offering, while Isaiah employs a singular construct form in an image of a sharp, tooth-equipped instrument that treads and crushes.

1. Threshing implement in offering preparations · dominant

   In 1 Chronicles 21:23 and 2 Samuel 24:22, the masculine plural absolute forms occur among items offered to David; the APB renders the surrounding lists with “threshing sledges” and “threshing sleds,” alongside animals and materials for an offering.

   1 Chronicles 21:232 Samuel 24:22
2. Sharp crushing threshing instrument · occasional

   In Isaiah 41:15, the masculine singular construct form occurs in the declaration that it is sharp, new, and associated with teeth; the APB renders the clause “a sharp new threshing sled” and follows it with treading mountains and crushing them.

   Isaiah 41:15

In the Anselm Project Bible: The APB presents the plural forms as “threshing sledges” and “threshing sleds” in the offering narratives, and the singular form as “a sharp new threshing sled” in Isaiah 41:15. These are translation renderings of the verse context rather than definitions.