Cup-shape. A crack of circular form in a piece of timber or a log.
Cutter. A tool that is held or carried in a stock bar or mandrel.
Cutter-bar. The bar or shaft that carries the cutting knives in a wood-planing machine.
Cutter-grinder. A machine for grinding cutters.
Cutter-head. 1. A head that carries cutters. 2. The head that carries the cutters in a wood-moulding machine.
Cutting-off lathe. A lathe used for cutting up rods into required lengths, and having a hollow spindle through which the rod passes.
Cutting-off saw. A sawing machine designed for cropping the ends of work and cutting it to length.
Cutting-off tool. A tool for cutting up rods or bars, and used in the common lathe and in the cutting-off lathe.
Cycloid (si′kloid). A curve generated by a pencil fixed in the perimeter of a circle that is rolled upon another circle.
Cylinder. 1. That part of a steam-engine in which the steam is utilized to drive the piston. 2. The shaft that carries the knives in a wood-planing machine.