Cardinal. Pre-eminent, chief, main line; Cardinal line is the principal line to make calculations or measurements from.
Centering point. A place for the reception of the point of an instrument, like a compass or a dividers, or for the dead center of the tail-stock of a lathe.
Cheekpiece. A piece or pieces at right angles to another piece, either fixed or movable, which serves as a rest or a guide.
Chiffonier. A movable and ornamental closet or piece of furniture with shelves and drawers.
Chute. A channel in any material, or made of any substance, for conveying liquids or solids.
Circumference. The distance around an object.
Circumferentially. Surrounding or encircling.
Classical. Relating to the first class or rank, especially in literature or art.
Cogged. Having teeth, either at regular or at irregular intervals.
Concrete. Expressing the thing itself specifically; also the quality; a specific example.