bevel gear Meaning, Definition & Usage
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noun gears that mesh at an angle
pinion and ring gear; pinion and crown wheel.
WordNet
Bev"el gear`
Definitions
(Mech.) A kind of gear in which the two wheels working together lie in different planes, and have their teeth cut at right angles to the surfaces of two cones whose apices coincide with the point where the axes of the wheels would meet.