/ keɪdʒ; NAmE / noun , verb
■ noun
a structure made of metal bars or wire in which animals or birds are kept :
a birdcage
—see also ribcage
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IDIOMS
see rattle verb
■ verb
cage sth (up) [ vn ] [ usually passive ] to put or keep an animal in a cage :
The dogs are caged (up) at night.
► caged adjective :
He paced the room like a caged animal .
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WORD ORIGIN
Middle English : via Old French from Latin cavea .