cage

a box or small room whose sides are metal bars with space between them, for holding an animal

(figurative) Something that hinders freedom.

(slang) A prison or prison cell.

An outer framework of timber, enclosing something within it.

A skeleton frame to limit the motion of a loose piece, such as a ball valve.

The protective wire mask at the front of a helmet.

Short for roll cage, a protective structure around the passenger compartment of a vehicle.

The passenger compartment of a lift.

(US, slang) Synonym of automobile.

The goal.

The area from which competitors throw a discus or hammer.

In killer sudoku puzzles, a group of connecting cells that must contain a set of unique digits adding up to a certain total, in addition to the usual constraints of sudoku.

A wirework strainer, used in connection with pumps and pipes.

The drum on which the rope is wound in a hoisting whim.

A regular graph that has as few vertices as possible for its girth.

To confine in a cage; to put into and keep in a cage.

(slang) To imprison.

(figurative) To restrict someone's movement or creativity.

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.

To immobilize an artificial horizon.