boning rod

English

Noun

boning rod (plural boning rods)

1. A wooden rod shaped like a large T-square, used for establishing level surfaces.
   • 1981, Peter Brett, Carpentry and Joinery for Building Craft Students, →ISBN:

     Figure 114 shows how pegs driven into the bottom of a foundation trench to establish a horizontal level for the concreter to work to, can be levelled with a boning rod held upright on the pages at either end of the trench.