Cage

1. n. The catcher’s wire mask.
2. n. A box or inclosure, wholly or partly of openwork, in wood or metal, used for confining birds or other animals.
3. n. A place of confinement for malefactors
4. n. An outer framework of timber, inclosing something within it; as, the cage of a staircase.
5. n. A skeleton frame to limit the motion of a loose piece, as a ball valve.
6. n. A wirework strainer, used in connection with pumps and pipes.
7. n. The box, bucket, or inclosed platform of a lift or elevator; a cagelike structure moving in a shaft.
8. n. The drum on which the rope is wound in a hoisting whim.

The word meanings were obtained from OPTED(The Online Plain Text English Dictionary), which is based on “The Project Gutenberg Etext of Webster’s Unabridged Dictionary” which is in turn based on the 1913 US Webster’s Unabridged Dictionary (See Project Gutenburg), as a text file.