Carp. [see BUTT v.2] A joint ‘formed by the surfaces of two pieces of wood whereof one is perpendicular to the fibres, and the other in their direction, or making an oblique angle with them, as for example the joints made by the struts and braces with the post’ (Gwilt).
1837. Whittock, Bk. Trades (1842), 105. Butting-joints are fixed together with bolts.
1850. Jrnl. Roy. Agric. Soc., XI. II. 569. Notching or cocking down, butting joints, scarfing [etc.] … are the principal combinations of timbers in trusses.
