Air shaft () A passage, usually vertical, for admitting fresh air into a mine or a tunnel. |
Balance wheel () A wheel which regulates the beats or pulses of a watch or chronometer, answering to the pendulum of a clock |
Balance wheel () A ratchet-shaped scape wheel, which in some watches is acted upon by the axis of the balance wheel proper (in those watches called a balance). |
Balance wheel () A wheel which imparts regularity to the movements of any engine or machine |
Bevel gear () A kind of gear in which the two wheels working together lie in different planes, and have their teeth cut at right angles to the surfaces of two cones whose apices coincide with the point where the axes of the wheels would meet. |
Brush wheel () A wheel without teeth, used to turn a similar one by the friction of bristles or something brushlike or soft attached to the circumference. |
Brush wheel () A circular revolving brush used by turners, lapidaries, silversmiths, etc., for polishing. |
Butt shaft () An arrow without a barb, for shooting at butts |
Car wheel () A flanged wheel of a railway car or truck. |
Catharine wheel () See catherine wheel. |
Catherine wheel () Same as Rose window and Wheel window. Called also Catherine-wheel window. |
Catherine wheel () A revolving piece of fireworks resembling in form the window of the same name. |
Chain wheel () A chain pulley, or sprocket wheel. |
Chain wheel () An inversion of the chain pump, by which it becomes a motor driven by water. |
Count-wheel (n.) The wheel in a clock which regulates the number of strokes. |
Crown wheel () A wheel with cogs or teeth set at right angles to its plane |
Fudge wheel () A tool for ornamenting the edge of a sole. |
Gear (n.) Clothing |
Gear (n.) Goods |
Gear (n.) Whatever is prepared for use or wear |
Gear (n.) The harness of horses or cattle |
Gear (n.) Warlike accouterments. |
Gear (n.) Manner |
Gear (n.) Business matters |
Gear (n.) A toothed wheel, or cogwheel |
Gear (n.) An apparatus for performing a special function |
Gear (n.) Engagement of parts with each other |
Gear (n.) See 1st Jeer (b). |
Gear (n.) Anything worthless |
Gear (v. t.) To dress |
Gear (v. t.) To provide with gearing. |
Gear (v. i.) To be in, or come into, gear. |
Head gear (n.) Alt. of Headgear |
Rock shaft () A shaft that oscillates on its journals, instead of revolving, -- usually carrying levers by means of which it receives and communicates reciprocating motion, as in the valve gear of some steam engines |
Scape-wheel (n.) The wheel in an escapement (as of a clock or a watch) into the teeth of which the pallets play. |
Shaft (n.) The slender, smooth stem of an arrow |
Shaft (n.) The long handle of a spear or similar weapon |
Shaft (n.) That which resembles in some degree the stem or handle of an arrow or a spear |
Shaft (n.) The trunk, stem, or stalk of a plant. |
Shaft (n.) The stem or midrib of a feather. |
Shaft (n.) The pole, or tongue, of a vehicle |
Shaft (n.) The part of a candlestick which supports its branches. |
Shaft (n.) The handle or helve of certain tools, instruments, etc., as a hammer, a whip, etc. |
Shaft (n.) A pole, especially a Maypole. |
Shaft (n.) The body of a column |
Shaft (n.) A column, an obelisk, or other spire-shaped or columnar monument. |
Shaft (n.) A rod at the end of a heddle. |
Shaft (n.) A solid or hollow cylinder or bar, having one or more journals on which it rests and revolves, and intended to carry one or more wheels or other revolving parts and to transmit power or motion |
Shaft (n.) A humming bird (Thaumastura cora) having two of the tail feathers next to the middle ones very long in the male |
Shaft (n.) A well-like excavation in the earth, perpendicular or nearly so, made for reaching and raising ore, for raising water, etc. |
chicken louse shaft louse Menopon palladum Menopon gallinae | a louse parasitic on poultry |
wheel bug Arilus cristatus | large predatory North American bug that sucks the blood of other insects |
wheel horse wheeler | a draft horse harnessed behind others and nearest the wheels of a vehicle |
quill calamus shaft | the hollow spine of a feather |
air shaft air well | a shaft for ventilation |
balance wheel balance | a wheel that regulates the rate of movement in a machine, especially a wheel oscillating against the hairspring of a timepiece to regulate its beat |
bevel gear pinion and crown wheel pinion and ring gear | gears that mesh at an angle |
bicycle bike wheel cycle | a wheeled vehicle that has two wheels and is moved by foot pedals |
bicycle wheel | the wheel of a bicycle |
buffing wheel | a wheel that is covered with soft material |
butt shaft | a blunt arrow without a barb, an arrow used for target practice |
car wheel | a wheel that has a tire and rim and hubcap, used to propel the car |
catherine wheel pinwheel | a circular firework that spins round and round emitting colored fire |
chafing gear | covering (usually rope or canvas) of a line or spar to protect it from friction |
daisy print wheel daisy wheel | a wheel around which is a set of print characters that make a typing impression on paper |
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 |
driving wheel | a wheel that drives a motor vehicle (transforms torque into a tractive force) |
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 |
escape wheel | gear that engages a rocking lever |
Ferris wheel | a vertical rotating mechanism consisting of a large wheel with suspended seats that remain upright as the wheel rotates, provides a ride at an amusement park |
fifth wheel | a steering bearing that enables the front axle of a horse-drawn wagon to rotate |
fifth wheel spare | an extra car wheel and tire for a four-wheel vehicle |
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 |
four-wheel drive WD | a transmission that provides power directly to all four wheels of a motor vehicle |
four-wheel drive WD | a motor vehicle with a four-wheel drive transmission system |
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 |
grinding wheel emery wheel | a wheel composed of abrasive material, used for grinding |
high gear high | a forward gear with a gear ratio that gives the greatest vehicle velocity for a given engine speed |
idle pulley idler pulley idle wheel | a pulley on a shaft that presses against a guide belt to guide or tighten it |
landing gear | an undercarriage that supports the weight of the plane when it is on the ground |
lantern pinion lantern wheel | a small pinion having cylindrical bars instead of teeth, used chiefly in inexpensive clocks |
millwheel mill wheel | water wheel that is used to drive machinery in a mill |
paddlewheel paddle wheel | a large wheel fitted with paddles and driven by an engine in order to propel a boat |
planetary gear epicyclic gear planet wheel planet gear | an outer gear that revolves about a central sun gear of an epicyclic train |
potter's wheel | a horizontal rotating wheel holding the clay being shaped by a potter, the potter's wheel was invented in Asia Minor around BC |
rack wheel | an instrument of torture that stretches or disjoints or mutilates victims |
ratchet wheel | toothed wheel held in place by a pawl or detent and turned by a lever |
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 |
rotating shaft shaft | a revolving rod that transmits power or motion |
rotor head rotor shaft | the axis around which the major rotor of a helicopter turns |
roulette toothed wheel | a wheel with teeth for making a row of perforations |