Pulley vs. Trolley

Pulleynoun

One of the simple machines; a wheel with a grooved rim in which a pulled rope or chain will lift an object (more useful when two or more pulleys are used together, as in a block and tackle arrangement, such that a small force moving through a greater distance can exert a larger force through a smaller distance).

Pulleyverb

(transitive) To raise or lift by means of a pulley.

Pulleynoun

A wheel with a broad rim, or grooved rim, for transmitting power from, or imparting power to, the different parts of machinery, or for changing the direction of motion, by means of a belt, cord, rope, or chain.

Pulleyverb

To raise or lift by means of a pulley.

Pulleynoun

a simple machine consisting of a wheel with a groove in which a rope can run to change the direction or point of application of a force applied to the rope

Pulleynoun

a wheel with a grooved rim around which a cord passes, which acts to change the direction of a force applied to the cord and is used to raise heavy weights.

Pulleynoun

a wheel or drum fixed on a shaft and turned by a belt, used for the application or transmission of power.

Pulleyverb

hoist with a pulley

Pulley

A pulley is a wheel on an axle or shaft that is designed to support movement and change of direction of a taut cable or belt, or transfer of power between the shaft and cable or belt. In the case of a pulley supported by a frame or shell that does not transfer power to a shaft, but is used to guide the cable or exert a force, the supporting shell is called a block, and the pulley may be called a sheave.

Trolleynoun

A cart or shopping cart.

Trolleynoun

(British) A hand truck.

Trolleynoun

(British) A soapbox car.

Trolleynoun

(British) A gurney.

Trolleynoun

A single-pole device for collecting electrical current from an overhead electrical line usually for a tram or streetcar. Usually called a trolley pole.

Trolleynoun

(US) A streetcar or a system of streetcars.

Trolleynoun

A light rail system or a train on such a system.

Trolleynoun

A truck from which the load is suspended in some kinds of cranes.

Trolleynoun

A truck which travels along the fixed conductors in an electric railway, and forms a means of connection between them and a railway car.

Trolleyverb

To bring to by trolley.

Trolleyverb

To use a trolley vehicle to go from one place to another.

Trolleynoun

A form of truck which can be tilted, for carrying railroad materials, or the like.

Trolleynoun

a wheeled vehicle that runs on rails and is propelled by electricity;

Trolleynoun

a large metal basket or frame on wheels, used for transporting heavy or large items, such as supermarket purchases or luggage at an airport or railway station.

Trolleynoun

a small table on wheels or castors, typically used to convey food and drink.

Trolleynoun

a hospital bed on wheels for transporting patients.

Trolleynoun

a wheel attached to a pole, used for collecting current from an overhead electric wire to drive a tram.

Trolleynoun

short for trolleybus or trolley car