bull wheel
noun Machinery.
any large driving gear among smaller gears.
Also called
bull gear.
Origin of bull wheel
An Americanism dating back to 1820–30
Words nearby bull wheel
Example sentences from the Web for bull wheel
The big graft in this neck-a woods is political, and the Red Tower gang is only set-a cogs in the bull-wheel.
The Wreckers |Francis Lynde