Definition of shaft

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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; as, the shaft of a steam engine..

Lern More About Shaft

Bank :: Bank (n.) The ground at the top of a shaft; as, ores are brought to bank..
Lug :: Lug (n.) The leather loop or ear by which a shaft is held up.
Shathmont :: Shathmont (n.) A shaftment.
Nib :: Nib (n.) One of the handles which project from a scythe snath; also, [Prov. Eng.], the shaft of a wagon..
Tubbing :: Tubbing (n.) A lining of timber or metal around the shaft of a mine; especially, a series of cast-iron cylinders bolted together, used to enable those who sink a shaft to penetrate quicksand, water, etc., with safety..
Blower :: Blower (n.) A device for producing a current of air; as: (a) A metal plate temporarily placed before the upper part of a grate or open fire. (b) A machine for producing an artificial blast or current of air by pressure, as for increasing the draft of a furnace, ventilating a building or shaft, cleansing gram, etc..
Entasis :: Entasis (n.) A slight convex swelling of the shaft of a column.
Backband :: Backband (n.) The band which passes over the back of a horse and holds up the shafts of a carriage.
Web :: Web (n.) The series of barbs implanted on each side of the shaft of a feather, whether stiff and united together by barbules, as in ordinary feathers, or soft and separate, as in downy feathers. See Feather..
Prickshaft :: Prickshaft (n.) An arrow.
Winze :: Winze (n.) A small shaft sunk from one level to another, as for the purpose of ventilation..
Fillet :: Fillet (n.) A narrow flat member; especially, a flat molding separating other moldings; a reglet; also, the space between two flutings in a shaft. See Illust. of Base, and Column..
Crank :: Crank (n.) A bent portion of an axle, or shaft, or an arm keyed at right angles to the end of a shaft, by which motion is imparted to or received from it; also used to change circular into reciprocating motion, or reciprocating into circular motion. See Bell crank..
Rock Shaft :: 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; -- called also rocker, rocking shaft, and way shaft..
Upcast :: Upcast (n.) The ventilating shaft of a mine out of which the air passes after having circulated through the mine; -- distinguished from the downcast. Called also upcast pit, and upcast shaft..
Verge :: Verge (n.) The shaft of a column, or a small ornamental shaft..
Shaftment :: Shaftment (n.) A measure of about six inches.
Center :: Center (n.) A conical recess, or indentation, in the end of a shaft or other work, to receive the point of a center, on which the work can turn, as in a lathe..
Eye :: Eye (n.) A loop forming part of anything, or a hole through anything, to receive a rope, hook, pin, shaft, etc.; as an eye at the end of a tie bar in a bridge truss; as an eye through a crank; an eye at the end of rope..
Apophyge :: Apophyge (n.) The small hollow curvature given to the top or bottom of the shaft of a column where it expands to meet the edge of the fillet; -- called also the scape.
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