Borning, or BONING, is a process of judging of the straightness or level of a surface or line by the eye, which looks along two or more burning or boning rods or pieces set up for the purpose. The term is used by masons, surveyors, and gardeners.
Borning
Chambers's Encyclopaedia, Volume 2: Beaugency to Cataract, p. 334
Source scan(s): p. 0345