e/Gear shaper

Information
has gloss	eng: A gear shaper is a machine tool for cutting the teeth of internal or external gears. The name shaper relates to the fact that the cutter engages the part on the forward stroke and pulls away from the part on the return stroke, just like the clapper box on a planer shaper.
lexicalization	eng: Gear shaper
instance of	(noun) a toothed wheel that engages another toothed mechanism in order to change the speed or direction of transmitted motion gear wheel, geared wheel, gear, cogwheel