pinion and ring gear

Thesaurus

Noun

1.

pinion and ring gear - gears that mesh at an angle bevel gear, pinion and crown wheeldifferential gear, differential - a bevel gear that permits rotation of two shafts at different speeds; used on the rear axle of automobiles to allow wheels to rotate at different speeds on curvescogwheel, gear, gear wheel, geared wheel - a toothed wheel that engages another toothed mechanism in order to change the speed or direction of transmitted motion