bevel gear pinion and crown wheel pinion and ring gear | gears that mesh at an angle |
car elevator car | where passengers ride up and down, the car was on the top floor |
chafing gear | covering (usually rope or canvas) of a line or spar to protect it from friction |
differential gear differential | a bevel gear that permits rotation of two shafts at different speeds, used on the rear axle of automobiles to allow wheels to rotate at different speeds on curves |
dumbwaiter food elevator | a small elevator used to convey food (or other goods) from one floor of a building to another |
elevator lift | lifting device consisting of a platform or cage that is raised and lowered mechanically in a vertical shaft in order to move people from one floor to another in a building |
elevator | the airfoil on the tailplane of an aircraft that makes it ascend or descend |
elevator shaft | a vertical shaft in a building to permit the passage of an elevator from floor to floor |
epicyclic train epicyclic gear train | a system of epicyclic gears in which at least one wheel axis itself revolves about another fixed axis |
first gear first low gear low | the lowest forward gear ratio in the gear box of a motor vehicle, used to start a car moving |
fishing gear tackle fishing tackle fishing rig rig | gear used in fishing |
foul-weather gear | protective garment that is intended to keep the wearer dry and warm in bad weather |
freight elevator service elevator | an elevator designed for carrying freight |
gear gear wheel geared wheel cogwheel | a toothed wheel that engages another toothed mechanism in order to change the speed or direction of transmitted motion |
gear paraphernalia appurtenance | equipment consisting of miscellaneous articles needed for a particular operation or sport etc. |
gear gear mechanism | a mechanism for transmitting motion for some specific purpose (as the steering gear of a vehicle) |
gearbox gear box gear case | the shell (metal casing) in which a train of gears is sealed |
gearing gear geartrain power train train | wheelwork consisting of a connected set of rotating gears by which force is transmitted or motion or torque is changed, the fool got his tie caught in the geartrain |
gearshift gearstick shifter gear lever | a mechanical device for engaging and disengaging gears, in Britain they call a gearshift a gear lever |
high gear high | a forward gear with a gear ratio that gives the greatest vehicle velocity for a given engine speed |
landing gear | an undercarriage that supports the weight of the plane when it is on the ground |
planetary gear epicyclic gear planet wheel planet gear | an outer gear that revolves about a central sun gear of an epicyclic train |
reduction gear | gearing that reduces an input speed to a slower output speed |
reverse reverse gear | the gears by which the motion of a machine can be reversed |
second gear second | the gear that has the second lowest forward gear ratio in the gear box of a motor vehicle, he had to shift down into second to make the hill |
spur gear spur wheel | gear wheels that mesh in the same plane |
stable gear saddlery tack | gear for a horse |
steering gear | a gear that couples the steering wheel to the steering linkage of a motor vehicle |
sun gear | the central gear in an epicyclic train |
third gear third | the third from the lowest forward ratio gear in the gear box of a motor vehicle, you shouldn't try to start in third gear |
worm gear | gear consisting of a shaft with screw thread (the worm) that meshes with a toothed wheel (the worm wheel), changes the direction of the axis of rotary motion |
elevator girl | a girl employed to operate an elevator |
elevator man elevator boy liftman | a man employed to operate an elevator, in England they call an elevator man a liftman |
elevator operator | an operator of an elevator |
Systeme International d'Unites Systeme International SI system SI SI unit International System of Units International System | a complete metric system of units of measurement for scientists, fundamental quantities are length (meter) and mass (kilogram) and time (second) and electric current (ampere) and temperature (kelvin) and amount of matter (mole) and luminous intensity (candela), Today the United States is the only country in the world not totally committed to the Systeme International d'Unites |
gear pitch | set the level or character of, She pitched her speech to the teenagers in the audience |
fix prepare set up ready gear up set | make ready or suitable or equip in advance for a particular purpose or for some use, event, etc, Get the children ready for school!, prepare for war, I was fixing to leave town after I paid the hotel bill |
in gear | having gears engaged, the car is in gear |
out of gear(p) | not having gears engaged, threw the machine's pinion out of gear |