Incannel

the concave surface of a gouge; a gouge sharpened on the concave surface.

Indexing

In woodworking, the rotation of a round or cylindrical object a specified number of degrees for the purpose of performing a given operation. This process is most frequently used when drilling holes around the circumference of a circular object in the drill press mode, but can also be applied to reeding or fluting operations on the lathe or routing system.

Infeed

The direction a workpiece is fed into a blade or cutter.

Insert

Table saw accessory that surrounds the blade and supports the work piece.

Interlocked grain

grain which has multiple longitudinal directions in alternating layers, typical of many tropical hardwoods, and very difficult to work and to produce smooth surfaces.