Definition of "Cage" :
noun: a movable screen placed behind home base to catch balls during batting practice
noun: an enclosure made or wire or metal bars in which birds or animals can be kept
noun: the net that is the goal in ice hockey
noun: United States composer of avant-garde music (1912-1992)
noun: something that restricts freedom as a cage restricts movement
verb: confine in a cage
"The animal was caged."