helical gear
noun
a cylindrical gear wheel whose teeth follow the pitch surface in a helical manner.
Origin of helical gear
First recorded in 1885–90
Words nearby helical gear
helianthine b,
helianthus,
heliborne,
helic-,
helical,
helical gear,
helical rack,
helical scan,
helicase,
heliced,
helices
British Dictionary definitions for helical gear
helical gear
noun
a cylindrical gearwheel having the tooth form generated on a helical path about the axis of the wheel