BONE v.
sight along an object or set of objects, to see if it or they be level or in line, as in carpentry, masonry, and surveying. Knight. Joiners, etc., bone their work with two straight edges. W. M. Buchanan.
FOX n.
orse, when passing from a walk into a trot, or a trot into a walk. -- Fox wedge (Mach. & Carpentry), a wedge for expanding the split end of a bolt, cotter, dowel, tenon, or other piece, to fasten the end in a hole or mortise and prevent withdrawal. The wedge abuts on the bottom of the hole and the piece is driven down…