bevel gear

WordReference Random House Unabridged Dictionary of American English © 2025

bev′el gear′, [Mach.]

1. Mechanical Engineering a gear having teeth cut into a conical surface, usually meshing with a similar gear set at right angles. Cf. hypoid gear.

• 1825–35

Collins Concise English Dictionary © HarperCollins Publishers::

bevel gear noun

1. a gear having teeth cut into a conical surface known as the pitch zone. Two such gears mesh together to transmit power between two shafts at an angle to each other