spiral bevel gear
noun Machinery.
a bevel gear having curved teeth tending to converge on the axis of rotation.
Also called
spiral gear.
Origin of spiral bevel gear
First recorded in 1930–35
Words nearby spiral bevel gear
spiradenoma,
spiraea,
spiral,
spiral arm,
spiral bandage,
spiral bevel gear,
spiral binding,
spiral canal of cochlea,
spiral canal of modiolus,
spiral casing,
spiral crest