An automobile.
The catcher's wire mask.
A regular graph that has as few vertices as possible for its girth.
In killer sudoku puzzles, an irregularly-shaped group of cells that must contain a set of unique digits adding up to a certain total, in addition to the usual constraints of sudoku.
The area from which competitors throw a discus or hammer.
The passenger compartment of a lift.
The drum on which the rope is wound in a hoisting whim.
An outer framework of timber, enclosing something within it.
Something that hinders freedom.
The goal.
An enclosure made of bars, normally to hold animals.
A skeleton frame to limit the motion of a loose piece, such as a ball valve.
A wirework strainer, used in connection with pumps and pipes.
To immobilize an artificial horizon.
To restrict someone's movement or creativity.
To confine in a cage; to put into and keep in a cage.
To track individual responses to direct mail, either (advertising) to maintain and develop mailing lists or (politics) to identify people who are not eligible to vote because they do not reside at the registered addresses.
A handcar.
A streetcar or light train.
A truck from which the load is suspended in some kinds of cranes.
A soapbox car.
A trolley pole; a single-pole device for collecting electrical current from an overhead electrical line, normally for a tram/streetcar or a trolleybus.
A truck which travels along the fixed conductors in an electric railway, and forms a means of connection between them and a railway car.
A light rail, tramway, trolleybus or streetcar system.
A gurney, a stretcher with wheeled legs.
A hand truck.
A cart or shopping cart; a shopping trolley.
To bring to by trolley.
To travel by trolley (streetcar, trolleybus or light train).
To use a trolley vehicle to go from one place to another.