bevel wheel

Century Dictionary and Cyclopedia

1. n. In machinery, a cog-wheel of which the working-face is oblique to the axis. Such a wheel is commonly used in connection with another revolving with a shaft at right angles to that of the first. These wheels are often called conical wheels, as their general form is that of frusta of cones. See bevel-gear.

GNU Webster's 1913

1. adj. a cogwheel whose working face is oblique to the axis.
2. n. See under Bevel, Brake, etc.