Source : Webster's Revised Unabridged Dictionary (1913)

Cage \Cage\ (k[=a]j), v. i. [imp. & p. p. {Caged} (k[=a]jd); p.
   pr. & vb. n. {Caging}.]
   To confine in, or as in, a cage; to shut up or confine.
   ``Caged and starved to death.'' --Cowper.

Cage \Cage\, n. [F. cage, fr. L. cavea cavity, cage, fr. cavus
   hollow. Cf. {Cave}, n., {Cajole}, {Gabion}.]
   1. A box or inclosure, wholly or partly of openwork, in wood
      or metal, used for confining birds or other animals.

            In his cage, like parrot fine and gay. --Cowper.

Source : WordNet®

cage
     n 1: an enclosure made or wire or metal bars in which birds or
          animals are kept [syn: {coop}]
     2: something that restricts freedom as a cage restricts
        movement
     3: United States composer of avant-garde music (1912-1992)
        [syn: {John Cage}, {John Milton Cage Jr.}]
     4: the net that is the goal in ice hockey
     5: a movable screen placed behind home base to catch balls
        during batting practice [syn: {batting cage}]

cage
     v : confine in a cage; "The animal was caged" [syn: {cage in}]

Source : Free On-Line Dictionary of Computing

CAGE
     
        Early system on IBM 704.  Listed in CACM 2(5):16 (May 1959).