Joints Glossary


Adhesive Joint – The location at which two adherents are held together with a layer of adhesive.

Assembly Joint – Joints between variously shapes parts or subassemblies such as in wood furniture.

Butt Joint – An end joint formed by abutting the squared ends of two pieces.

Edge Joint – A joint made by nodding two pieces of wood together edge to edge, commonly by gluing. The joints may be made by gluing two squared edges as in a plain edge joint or by using machined joints of various kinds.

End Joint – A joint made by bonding two pieces of wood together, end to end, commonly by finger or scarf joint.

Fingerjoint – An end joint made up of several meshing wedges or fingers of wood bonded together with an adhesive. Fingers are sloped and may be cut parallel to either the wide or narrow face of the piece.

Lap Joint – A joint made by placing one member partly over another and bonding the overlapped portions.

Scarf Joint – An end joint formed by joining with adhesive the ends of two pieces that have been tapered or beveled to form sloping plane surfaces, usually to a featheredge, and with the same slope of the plane with respect to the length in both pieces.

Starved Joint – A glue joint that is poorly bonded because an insufficient quantity of adhesive remained in the joint.

Sunken Joint – Depression in wood surface at a joint caused by surfacing material too soon after bonding.