cages

noun

• An enclosure made of bars, normally to hold animals.

  "The most dangerous prisoners are locked away in a cage."

• The passenger compartment of a lift.
• (water polo) The goal.
• An automobile.
• Something that hinders freedom.
• The area from which competitors throw a discus or hammer.
• 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.
• A wirework strainer, used in connection with pumps and pipes.
• The drum on which the rope is wound in a hoisting whim.
• The catcher's wire mask.
• A regular graph that has as few vertices as possible for its girth.