Definition of ribcage noun from the Oxford Advanced Learner's Dictionary

 

ribcage

 noun
noun
BrE BrE//ˈrɪbkeɪdʒ//
 
; NAmE NAmE//ˈrɪbkeɪdʒ//
 
Body parts, Skeleton and muscles
 
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the structure of curved bones (called ribs ), that surrounds and protects the chest See related entries: Body parts, Skeleton and muscles