tumbler gear
noun Machinery.
a transmission having gears actuated by a tumbler.
Words nearby tumbler gear
tumble-dry,
tumblebug,
tumbledown,
tumblehome,
tumbler,
tumbler gear,
tumbler switch,
tumbleweed,
tumbling,
tumbling barrel,
tumbling box
British Dictionary definitions for tumbler gear
tumbler gear
noun
a train of gears in which the gear-selection mechanism is operated by tumblers